[Pgpool-committers] pgpool - pgpool-II: Fix read_kind_from_backend so that it properly

[User T-ishii]

Log Message:
-----------
Fix read_kind_from_backend so that it properly checks the return value
from pool_extract_error_message.

Modified Files:
--------------
    pgpool-II:
        pool_process_query.c (r1.194 -> r1.195)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.194&r2=1.195)