Thread: pgsql: Fix error messages from recent pg_hba parsing patch to use

Log Message:
-----------
Fix error messages from recent pg_hba parsing patch to use errcontext()
to indicate where the error occurred.

Modified Files:
--------------
    pgsql/src/backend/libpq:
        hba.c (r1.167 -> r1.168)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/libpq/hba.c?r1=1.167&r2=1.168)