Log Message:
-----------
Drop replicate_def table if exists.
Modified Files:
--------------
pgpool-II/sql:
system_db.sql (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpool-II/sql/system_db.sql.diff?r1=1.2&r2=1.3)