mac80211_hwsim: assign CAB queue properly on interface type change

When an interface change type, the CAB queue must be reassigned,
do this in hwsim to avoid warnings/crashes.
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/mac80211_hwsim.c

@@ -964,6 +964,12 @@ static int mac80211_hwsim_change_interface(struct ieee80211_hw *hw,
 		    newtype, vif->addr);
 	hwsim_check_magic(vif);
 
+	/*
+	 * interface may change from non-AP to AP in
+	 * which case this needs to be set up again
+	 */
+	vif->cab_queue = 0;
+
 	return 0;
 }