Log Message:
-----------
Add pid_file_name to show pool_status
Modified Files:
--------------
pgpool-II:
pool_process_query.c (r1.136 -> r1.137)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_process_query.c.diff?r1=1.136&r2=1.137)