pgsql: Make check_usermap() parameter names consistent.

Make check_usermap() parameter names consistent.

The function has a bool argument named "case_insensitive", but that was
spelled "case_sensitive" in the declaration.  Make them consistent now
to avoid confusion in the future.

Author: Peter Geoghegan 
Reviewed-By: Michael Paquiër 
Discussion: https://postgr.es/m/CAH2-WznJt9CMM9KJTMjJh_zbL5hD9oX44qdJ4aqZtjFi-zA3Tg@mail.gmail.com
Backpatch: 10-

Branch
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REL_15_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/1ef00afe2e457161421dc61f6bc329af3aa6cc4b

Modified Files
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src/include/libpq/hba.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)