b43: Fix PHY TX control words in SHM

This fixes the initialization of the PHY TX control words in
shared memory. These control words are used for management frames
like beacons.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/b43.h

@@ -730,6 +730,7 @@ struct b43_wl {
 	/* The beacon we are currently using (AP or IBSS mode).
 	 * This beacon stuff is protected by the irq_lock. */
 	struct sk_buff *current_beacon;
+	struct ieee80211_tx_control beacon_txctl;
 	bool beacon0_uploaded;
 	bool beacon1_uploaded;
 	struct work_struct beacon_update_trigger;