title: "config.h" file not found in iOS project of React native
body: <p>In X-Code project of react native, getting error </p>
  
  <blockquote>
    <p>config.h file not found.</p>
  </blockquote>
  
  <p>Here is version detail :</p>
  
  <pre><code>react-native-cli: 2.0.1
  react-native: 0.51.0
  </code></pre>
  
  <p>How to solve it?</p>