message: Fix circle `end_angle` in `clock` example
diff: @@ -100,7 +100,7 @@ impl canvas::layer::Drawable for LocalTime {
  center,
  radius,
  start_angle: 0.0,
  - end_angle: 360.0 * 2.0 * std::f32::consts::PI,
  + end_angle: 2.0 * std::f32::consts::PI,
  })
  });
  