Update index.android.js

Author: sf-james-kim

basic-react-native-sample/SendBirdReactNativeSample/index.android.js

@@ -3,6 +3,6 @@ var {
   AppRegistry
 } = React;
 
-var Main = require('./src/main')
+var Main = require('./src/main');
 
 AppRegistry.registerComponent('SendBirdReactNativeSample', () => Main);