aio: fix the comment in aio_kick_handler()

It should've been changed when queue_work() became
queue_delayed_work(..., 0) in there. It's always had been
about not needing a delay, not about not using specific
function...

Signed-off-by: Al Viro <[e-mail]>

fs/aio.c

···
  	unuse_mm(mm);
 	set_fs(oldfs);
 	/*
-	 * we're in a worker thread already, don't use queue_delayed_work,
+	 * we're in a worker thread already; no point using non-zero delay
 	 */
 	if (requeue)
 		queue_delayed_work(aio_wq, &ctx->wq, 0);