Update server.js

Author: Bongo9911

server.js

@@ -140,7 +140,7 @@ wss.on("connection", function connection(ws) {
             if (isValid) {
                 if (isHost) {                                                           //If message sender is a host
                     connections[roomColumn].forEach(function each(client) {
-                        if (client.readyState === WebSocket.OPEN) {
+                        if (client && client.readyState === WebSocket.OPEN) {
                             client.send(nickName + ":" + message.toString());
                             // console.log("Sending Message");
                         }
@@ -237,4 +237,4 @@ function deleteClients(clientArray) {
         // client.close();
         delete client;
     });
-}
+}