Fixed; Make sure to not execute any other connection operations after WebSocket write error

Author: rauchg

lib/socket.io/transports/websocket.js

@@ -80,6 +80,7 @@ WebSocket.prototype._onConnect = function(req, socket){
     this.connection.write(headers.concat('', '').join('\r\n'));
   } catch(e){
     this._onClose();
+    return;
   }
 
   this.connection.setTimeout(0);