During hangup it is possible for p->chan or p->owner to be NULL, so just return what the channel is bridged to instead of what they are *really* bridged to. Thanks Matt Nicholson!

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@114109 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_local.c

@@ -183,9 +183,12 @@ static struct ast_channel *local_bridgedchannel(struct ast_channel *chan, struct
 		bridged = (bridge == p->owner ? p->chan : p->owner);
 		
 		/* Now see if the opposite channel is bridged to anything */
-		if (bridged->_bridge)
+		if (!bridged) {
+			bridged = bridge;
+		} else if (bridged->_bridge) {
 			bridged = bridged->_bridge;
 		}
+	}
 
 	ast_mutex_unlock(&p->lock);