Attempt to resolve issue zmxv#7

Author: zmxv

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-sound",
-  "version": "0.7.1",
+  "version": "0.7.2",
   "description": "React Native module for playing sound clips on iOS and Android",
   "main": "sound.js",
   "repository": {

sound.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var RNSound = require('react-native').NativeModules.RNSound;
-var IsAndroid = !!RNSound.setLooping;
+var IsAndroid = (typeof RNSound.setLooping) !== 'undefined';
 
 var nextKey = 0;