Log Message:
-----------
Fix auto-deallocation. If a client used PDO interface, pgpool didn't
clean prepared statement.
Modified Files:
--------------
pgpool-II:
pool_process_query.c (r1.8 -> r1.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c.diff?r1=1.8&r2=1.9)