[Pgpool-committers] pgpool - pgpool-II: Fix sloppy coding of detect_erorr().

[User T-ishii]

Log Message:
-----------
Fix sloppy coding of detect_erorr(). Check memory allocation error,
check buffer overrun error.

Modified Files:
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    pgpool-II:
        pool_process_query.c (r1.182 -> r1.183)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.182&r2=1.183)