Log Message:
-----------
For pg_upgrade, update template0's datfrozenxid and its relfrozenxids to
match the behavior of autovacuum, which does this as the xid advances
even if autovacuum is turned off.
Modified Files:
--------------
pgsql/contrib/pg_upgrade:
pg_upgrade.c (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/pg_upgrade.c?r1=1.3&r2=1.4)