Log Message:
-----------
Do not make a connection cache for postgres database
Modified Files:
--------------
pgpool-II:
child.c (r1.22 -> r1.23)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/child.c.diff?r1=1.22&r2=1.23)