Fix one-shot support in inotify.  We currently drop the IN_ONESHOT flag
during watch addition.  Fix is to not do that.
Signed-off-by: NRobert Love <rml@novell.com>
Cc: John McCutchan <ttb@tentacle.dhs.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>