Log Message:
-----------
Put back fast-path for the case that there's no backup blocks in
RestoreBkpBlocks. Went missing in my recent refactoring patch, as pointed
out by Simon's hot standby patch.
Modified Files:
--------------
pgsql/src/backend/access/transam:
xlog.c (r1.328 -> r1.329)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.328&r2=1.329)