pgsql: C comment: fix wording

C comment: fix wording

Backpatch-through: master

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/59346209a839dfc627dd7986af3a6a8349c7ea0f

Modified Files
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contrib/postgres_fdw/postgres_fdw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)