message: Fix closing the examples
diff: @@ -253,7 +253,7 @@ impl ExampleBase {
  ControlFlow::Continue
  }
  }
  - WindowEvent::Destroyed => winit::ControlFlow::Break,
  + WindowEvent::CloseRequested => winit::ControlFlow::Break,
  _ => ControlFlow::Continue,
  },
  _ => ControlFlow::Continue,
  