Log Message:
-----------
Fix bug in pool_delete_prep_where: It's memset not memcpy.
Modified Files:
--------------
pgpool-II:
pool_session_context.c (r1.19 -> r1.20)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/pool_session_context.c?r1=1.19&r2=1.20)