Fix code style issue

.travis.yml

@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "5"
-  - "4"
+  - "6"
 before_script:
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start

src/apis/StyleSheet/index.js

@@ -57,7 +57,7 @@ const renderToString = () => {
  * where possible.
  */
 const resolve = ({ className, style = {} }) => {
-  const props = StyleSheetRegistry.getStyleAsNativeProps(style, isRendered);
+  const props = StyleSheetRegistry.getStyleAsNativeProps(style, isRendered)
   return {
     ...props,
     className: className ? `${props.className} ${className}`.trim() : props.className