Use NIL instead of NULL for an empty List.

Tatsuro Yamada, reviewed by Ashutosh Bapat

diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 906d6e6abd42f6fd5a821bf7ac2bba091f2c311c..2cfb82bf598c21b96f3cd9c0968509c9ea7334cb 100644 (file)
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -4431,7 +4431,7 @@ postgresGetForeignJoinPaths(PlannerInfo *root,
                                                                           NIL,         /* no pathkeys */
                                                                           NULL,        /* no required_outer */
                                                                           epq_path,
-                                                                          NULL);       /* no fdw_private */
+                                                                          NIL);        /* no fdw_private */
 
        /* Add generated path into joinrel by add_path(). */
        add_path(joinrel, (Path *) joinpath);
@@ -4748,7 +4748,7 @@ add_foreign_grouping_paths(PlannerInfo *root, RelOptInfo *input_rel,
                                                                                NIL,    /* no pathkeys */
                                                                                NULL,   /* no required_outer */
                                                                                NULL,
-                                                                               NULL);  /* no fdw_private */
+                                                                               NIL);   /* no fdw_private */
 
        /* Add generated path into grouped_rel by add_path(). */
        add_path(grouped_rel, (Path *) grouppath);