rpc+peer: use pkScripts for close ntfns

rpcserver.go

@@ -1083,7 +1083,7 @@ func (r *rpcServer) CloseChannel(in *lnrpc.CloseChannelRequest,
 		errChan = make(chan error, 1)
 		notifier := r.server.cc.chainNotifier
 		go waitForChanToClose(uint32(bestHeight), notifier, errChan, chanPoint,
-			&closingTxid, func() {
+			&closingTxid, closingTx.TxOut[0].PkScript, func() {
 				// Respond to the local subsystem which
 				// requested the channel closure.
 				updateChan <- &lnrpc.CloseStatusUpdate{