Log Message:
-----------
Degrade the transaction-id wraparound point message from LOG to DEBUG1, per
discussion.
Patch from Simon Riggs.
Modified Files:
--------------
pgsql/src/backend/access/transam:
varsup.c (r1.73 -> r1.74)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/varsup.c.diff?r1=1.73&r2=1.74)