Merge pull request #243 from joshuastray/master

Fixed #4726:Fix bugs in JSB-moonwarriors

Author: dingpinglv

frameworks/js-bindings/bindings/script/jsb_boot.js

@@ -586,11 +586,12 @@ cc.configuration = cc.Configuration.getInstance();
 cc.textureCache = cc.director.getTextureCache();
 cc.textureCache._addImage = cc.textureCache.addImage;
 cc.textureCache.addImage = function(url, cb, target) {
-	if (cb) {
-		target && (cb = cb.bind(target));
-		this.addImageAsync(url, cb);
-	}
-	else this._addImage(url);
+    if (cb) {
+        target && (cb = cb.bind(target));
+        this.addImageAsync(url, cb);
+    }
+    else
+        return this._addImage(url);
 };
 cc.shaderCache = cc.ShaderCache.getInstance();
 cc.animationCache = cc.AnimationCache.getInstance();