Log Message:
-----------
Fix typo/bug, found by Clang compiler
Modified Files:
--------------
pgsql/src/backend/access/transam:
xlog.c (r1.422 -> r1.423)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c?r1=1.422&r2=1.423)