message: fix: fix code style flaw.
diff: @@ -8,8 +8,8 @@ requestAnimationFrame = (
  // https://github.com/ecomfe/zrender/issues/189#issuecomment-224919809
  || ((window as any).msRequestAnimationFrame && (window as any).msRequestAnimationFrame.bind(window))
  || (window as any).mozRequestAnimationFrame
  - || window.webkitRequestAnimationFrame)
  - || function (func: Parameters<RequestAnimationFrameType>[0]): number {
  + || window.webkitRequestAnimationFrame
  + ) || function (func: Parameters<RequestAnimationFrameType>[0]): number {
  return setTimeout(func, 16) as any;
  };
  