[Pgpool-committers] pgpool - pgpool-II: Fix pool_extract_error_message not to write past end

[User T-ishii]

Log Message:
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Fix pool_extract_error_message not to write past end of message_buf.
This causes kind = 0 error on some platforms/gcc combo. Patch
contributed by Akio Ishida.  Minor tweak by Tatsuo.

Modified Files:
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    pgpool-II:
        pool_process_query.c (r1.195 -> r1.196)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c?r1=1.195&r2=1.196)