fix ant-design/ant-motion#176

Author: jljsj33

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-tween-one",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "tween-one anim component for react",
   "keywords": [
     "react",

src/TweenOne.jsx

@@ -130,6 +130,9 @@ class TweenOne extends Component {
     }
     // 样式更新了后再执行动画；
     if (this.updateAnim && this.dom && this.dom.nodeName !== '#text') {
+      if (this.tween) {
+        this.cancelRequestAnimationFrame();
+      }
       this.start();
     }
   }