Remove superfluous forward declaration

The need for this was removed by commit dc9c3b0ff21.

diff --git a/src/test/regress/pg_regress.h b/src/test/regress/pg_regress.h
index 5b636ca3009265c26b368c833d0b62b4cf9edc79..141521c8910424e95afe504216636ee3d42f5fa3 100644 (file)
--- a/src/test/regress/pg_regress.h
+++ b/src/test/regress/pg_regress.h
@@ -18,8 +18,6 @@
 #define INVALID_PID INVALID_HANDLE_VALUE
 #endif
 
-struct StringInfoData;         /* avoid including stringinfo.h here */
-
 /* simple list of strings */
 typedef struct _stringlist
 {