Log Message:
-----------
Fix hang up in load balancing mode.
Modified Files:
--------------
pgpool-II:
pool_process_query.c (r1.59 -> r1.60)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c.diff?r1=1.59&r2=1.60)