[Pgpool-committers] pgpool - pgpool-II: When authentication fails, report to frontend proper

[User T-ishii]

Log Message:
-----------
When authentication fails, report to frontend proper error messages,
rather than unhelpfull "server closed the connection unexpectedly"
message. Patch provided by Glyn Astill with minor tweak by Tatsuo Ishii.

Modified Files:
--------------
    pgpool-II:
        pool.h (r1.42 -> r1.43)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool.h?r1=1.42&r2=1.43)
        pool_auth.c (r1.17 -> r1.18)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_auth.c?r1=1.17&r2=1.18)
        pool_process_query.c (r1.168 -> r1.169)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.168&r2=1.169)