pgsql: Switch order of WHERE clauses in tab completion queries, as

Log Message:
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Switch order of WHERE clauses in tab completion queries, as suggested
by Rod Taylor.  The foo_is_visible() functions are relatively slow and
so it pays to check them after checking the name pattern match.

Modified Files:
--------------
    pgsql/src/bin/psql:
        tab-complete.c (r1.118 -> r1.119)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/tab-complete.c.diff?r1=1.118&r2=1.119)