Log Message:
-----------
Remove DROPs from contrib object creation scripts, per Dave Page.
Modified Files:
--------------
pgsql-server/contrib/intagg:
int_aggregate.sql.in (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/intagg/int_aggregate.sql.in.diff?r1=1.5&r2=1.6)
pgsql-server/contrib/pgstattuple:
pgstattuple.sql.in (r1.8 -> r1.9)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/pgstattuple/pgstattuple.sql.in.diff?r1=1.8&r2=1.9)