mac80211: Make OCB mode set BSSID

Perform the BSS_CHANGED_BSSID action when joining an OCB network.
This is required to set the broadcast BSSID in some network drivers.

Signed-off-by: Bertold Van den Bergh <bertold.vandenbergh@esat.kuleuven.be>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/ocb.c

@@ -179,7 +179,7 @@ int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
 {
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_ocb *ifocb = &sdata->u.ocb;
-	u32 changed = BSS_CHANGED_OCB;
+	u32 changed = BSS_CHANGED_OCB | BSS_CHANGED_BSSID;
 	int err;
 
 	if (ifocb->joined == true)