message: manual_control: don't use make_unique
  We can't use it because the constructor is private.
  Also see:
diff: @@ -16,7 +16,7 @@ Joystick::~Joystick()
  std::unique_ptr<Joystick> Joystick::create()
  {
  - auto ptr = std::make_unique<Joystick>();
  + std::unique_ptr<Joystick> ptr(new Joystick());
  if (ptr && ptr->init()) {
  ptr->connect();
  