[PATCH] workstruct: fix ieee80211-softmac compile problem

Fix ieee80211-softmac compile problem where it's using schedule_work() on a
delayed_work struct.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>