pgsql: Fix typo

[Alvaro Herrera]

Fix typo

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/ed345c2728b3ebc160d8335464765679a08031b9

Modified Files
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src/backend/tcop/postgres.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)