Update apprelays.js

if header is not null for websockets

apprelays.js

@@ -638,6 +638,7 @@ module.exports.CreateWebRelay = function (parent, db, args, domain) {
             }
         } else {
             // Tunnel is now in web socket pass-thru mode
+            if (header != null) {
                 if ((typeof header.connection == 'string') && (header.connection.toLowerCase() == 'upgrade')) {
                     // Websocket upgrade succesful
                     obj.socketParseState = 2;
@@ -647,6 +648,7 @@ module.exports.CreateWebRelay = function (parent, db, args, domain) {
                 }
             }
         }
+    }
 
     // Send data thru the relay tunnel. Written to use TLS if needed.
     function send(data) { try { if (obj.tls) { obj.tls.write(data); } else { obj.wsClient.send(data); } } catch (ex) { } }