BLooper: don't delete a launch_daemon port.

* Unless the service is really to be quit, the port should stay around;
  but that decision is to be made by the launch_daemon, not the service
  itself.

src/kits/app/Application.cpp

@@ -267,6 +267,8 @@ BApplication::BApplication(const char* signature, const char* looperName,
 		looperName != NULL ? looperName : kDefaultLooperName)
 {
 	_InitData(signature, initGUI, _error);
+	if (port < 0)
+		fOwnsPort = false;
 }