Log Message:
-----------
Fix compile for no O_SYNC, but introduced with O_DIRECT.
Modified Files:
--------------
pgsql/src/backend/access/transam:
xlog.c (r1.213 -> r1.214)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c.diff?r1=1.213&r2=1.214)