wifi: mac80211: set internal scan request BSSID

If any driver relies entirely on the scan request BSSID,
then that would be wrong for internal scans. Initialize
it to the broadcast address since we don't otherwise use
the field.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/main.c

@@ -1155,6 +1155,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	if (!local->int_scan_req)
 		return -ENOMEM;
 
+	eth_broadcast_addr(local->int_scan_req->bssid);
+
 	for (band = 0; band < NUM_NL80211_BANDS; band++) {
 		if (!local->hw.wiphy->bands[band])
 			continue;