rt2x00: provide beacon's txdesc to write_beacon callback function.

Preparation to fix rt2800 beaconing.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 949aaad..12ec685 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -604,7 +604,7 @@
 	/*
 	 * Send beacon to hardware and enable beacon genaration..
 	 */
-	rt2x00dev->ops->lib->write_beacon(intf->beacon);
+	rt2x00dev->ops->lib->write_beacon(intf->beacon, &txdesc);
 
 	mutex_unlock(&intf->beacon_skb_mutex);