[PATCH] hrtimer comment tweak

Fix a comment which missed an update cycle somewhere.
Signed-off-by: NJonathan Corbet <corbet@lwn.net>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

kernel/hrtimer.c

@@ -272,7 +272,7 @@ void unlock_hrtimer_base(const struct hrtimer *timer, unsigned long *flags)
  * @interval:	the interval to forward
  *
  * Forward the timer expiry so it will expire in the future.
- * The number of overruns is added to the overrun field.
+ * Returns the number of overruns.
  */
 unsigned long
 hrtimer_forward(struct hrtimer *timer, ktime_t interval)