postgres_fdw: Fix grammar.
Oversight in commit 4036bcbbb; back-patch to v15 where that appeared.
Branch
------
REL_15_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/54bc816810bca2041bee4997efbe67e63d927bcc
Modified Files
--------------
contrib/postgres_fdw/connection.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)