Thread: pgsql-server: Actually, there's no need to use pg_strcasecmp for

Log Message:
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Actually, there's no need to use pg_strcasecmp for checking exception
names, because the name we got from the lexer is already downcased.
Just store the table in lower case and use strcmp ...

Modified Files:
--------------
    pgsql-server/src/pl/plpgsql/src:
        pl_exec.c (r1.113 -> r1.114)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/pl_exec.c.diff?r1=1.113&r2=1.114)
        plerrcodes.h (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/plerrcodes.h.diff?r1=1.2&r2=1.3)