Fix syntax error in 16.6 blog post (#1288)

content/blog/2018-10-23-react-v-16-6.md

@@ -25,11 +25,13 @@ You may have seen [Dan's talk about React Suspense at JSConf Iceland](/blog/2018
 import React, {lazy, Suspense} from 'react';
 const OtherComponent = lazy(() => import('./OtherComponent'));
 
-function MyComponent() (
+function MyComponent() {
+  return (
     <Suspense fallback={<div>Loading...</div>}>
       <OtherComponent />
     </Suspense>
-);
+  );
+}
 ```
 
 The Suspense component will also allow library authors to start building data fetching with Suspense support in the future.