return from _final when connecting even if no listeners added

Author: arturgawlik

lib/net.js

@@ -529,10 +529,13 @@ Socket.prototype._unrefTimer = function _unrefTimer() {
 // sent out to the other side.
 Socket.prototype._final = function(cb) {
   // If still connecting - defer handling `_final` until 'connect' will happen
-  if (this.connecting && !this._finalizingOnConnect) {
+  if (this.connecting) {
     debug('_final: not yet connected');
-    this._finalizingOnConnect = true;
-    return this.once('connect', () => this._final(cb));
+    if (!this._finalizingOnConnect) {
+      this._finalizingOnConnect = true;
+      this.once('connect', () => this._final(cb));
+    }
+    return;
   }
 
   if (!this._handle)