Only attempt to queue a hangup on the owner channel if it actually exists.

(issue #9795, patch from zandbelt)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@70084 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_gtalk.c

@@ -691,10 +691,10 @@ static int gtalk_hangup_farend(struct gtalk *client, ikspak *pak)
 	if(!from)
 		from = client->connection->jid->full;
 
-
 	if (tmp) {
 		tmp->alreadygone = 1;
-		ast_queue_hangup(tmp->owner);
+		if (tmp->owner)
+			ast_queue_hangup(tmp->owner);
 	} else
 		ast_log(LOG_NOTICE, "Whoa, didn't find call!\n");
 	gtalk_response(client, from, pak, NULL, NULL);