Update copyrights for 2020

Backpatch-through: update all files in master, backpatch legal files through 9.4

13 files changed, 13 insertions, 13 deletions

diff --git a/src/include/libpq/auth.h b/src/include/libpq/auth.h
index 405fd43487b..81202e60858 100644
--- a/src/include/libpq/auth.h
+++ b/src/include/libpq/auth.h
@@ -4,7 +4,7 @@
  *	  Definitions for network authentication routines
  *
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/auth.h
diff --git a/src/include/libpq/be-fsstubs.h b/src/include/libpq/be-fsstubs.h
index a753ed1a33e..4fbd7ccaf66 100644
--- a/src/include/libpq/be-fsstubs.h
+++ b/src/include/libpq/be-fsstubs.h
@@ -4,7 +4,7 @@
  *
  *
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/be-fsstubs.h
diff --git a/src/include/libpq/be-gssapi-common.h b/src/include/libpq/be-gssapi-common.h
index acb30b94944..edf89675cf7 100644
--- a/src/include/libpq/be-gssapi-common.h
+++ b/src/include/libpq/be-gssapi-common.h
@@ -3,7 +3,7 @@
  * be-gssapi-common.h
  *       Definitions for GSSAPI authentication and encryption handling
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/be-gssapi-common.h
diff --git a/src/include/libpq/crypt.h b/src/include/libpq/crypt.h
index 3564ef39d87..0c99e6c18a1 100644
--- a/src/include/libpq/crypt.h
+++ b/src/include/libpq/crypt.h
@@ -3,7 +3,7 @@
  * crypt.h
  *	  Interface to libpq/crypt.c
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/crypt.h
diff --git a/src/include/libpq/ifaddr.h b/src/include/libpq/ifaddr.h
index e68ff04a65e..4b615182c94 100644
--- a/src/include/libpq/ifaddr.h
+++ b/src/include/libpq/ifaddr.h
@@ -3,7 +3,7 @@
  * ifaddr.h
  *	  IP netmask calculations, and enumerating network interfaces.
  *
- * Copyright (c) 2003-2019, PostgreSQL Global Development Group
+ * Copyright (c) 2003-2020, PostgreSQL Global Development Group
  *
  * src/include/libpq/ifaddr.h
  *
diff --git a/src/include/libpq/libpq-be.h b/src/include/libpq/libpq-be.h
index 541f970f99e..82e57afc642 100644
--- a/src/include/libpq/libpq-be.h
+++ b/src/include/libpq/libpq-be.h
@@ -8,7 +8,7 @@
  *	  Structs that need to be client-visible are in pqcomm.h.
  *
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/libpq-be.h
diff --git a/src/include/libpq/libpq-fs.h b/src/include/libpq/libpq-fs.h
index f29883a83c2..a3c2cd98754 100644
--- a/src/include/libpq/libpq-fs.h
+++ b/src/include/libpq/libpq-fs.h
@@ -4,7 +4,7 @@
  *	  definitions for using Inversion file system routines (ie, large objects)
  *
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/libpq-fs.h
diff --git a/src/include/libpq/libpq.h b/src/include/libpq/libpq.h
index 08a257616dc..f452b539681 100644
--- a/src/include/libpq/libpq.h
+++ b/src/include/libpq/libpq.h
@@ -4,7 +4,7 @@
  *	  POSTGRES LIBPQ buffer structure definitions.
  *
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/libpq.h
diff --git a/src/include/libpq/pqcomm.h b/src/include/libpq/pqcomm.h
index baf6a4b6c02..6c8bc29acea 100644
--- a/src/include/libpq/pqcomm.h
+++ b/src/include/libpq/pqcomm.h
@@ -6,7 +6,7 @@
  * NOTE: for historical reasons, this does not correspond to pqcomm.c.
  * pqcomm.c's routines are declared in libpq.h.
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/pqcomm.h
diff --git a/src/include/libpq/pqformat.h b/src/include/libpq/pqformat.h
index 04dcb3ee1ee..af31e9caba3 100644
--- a/src/include/libpq/pqformat.h
+++ b/src/include/libpq/pqformat.h
@@ -3,7 +3,7 @@
  * pqformat.h
  *		Definitions for formatting and parsing frontend/backend messages
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/pqformat.h
diff --git a/src/include/libpq/pqmq.h b/src/include/libpq/pqmq.h
index 81efe0d56ee..6a3ccba97ac 100644
--- a/src/include/libpq/pqmq.h
+++ b/src/include/libpq/pqmq.h
@@ -3,7 +3,7 @@
  * pqmq.h
  *	  Use the frontend/backend protocol for communication over a shm_mq
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/pqmq.h
diff --git a/src/include/libpq/pqsignal.h b/src/include/libpq/pqsignal.h
index 46bc3a88950..695c4dc3f83 100644
--- a/src/include/libpq/pqsignal.h
+++ b/src/include/libpq/pqsignal.h
@@ -3,7 +3,7 @@
  * pqsignal.h
  *	  Backend signal(2) support (see also src/port/pqsignal.c)
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/pqsignal.h
diff --git a/src/include/libpq/scram.h b/src/include/libpq/scram.h
index 71fcb51c5a5..63eccd4a77b 100644
--- a/src/include/libpq/scram.h
+++ b/src/include/libpq/scram.h
@@ -3,7 +3,7 @@
  * scram.h
  *	  Interface to libpq/scram.c
  *
- * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * src/include/libpq/scram.h