[lint] Add space before function parentheses

Author: lpinca

lib/websocket-server.js

@@ -364,6 +364,6 @@ function abortHandshake (socket, code, message, headers) {
  *     characters from both its beginning and end
  * @private
  */
-function trim(str) {
+function trim (str) {
   return str.trim();
 }