fixed #1689:fixed a compiling error
Merge branch 'iss1689-add-CCLuaObjcBridge' of https://github.com/minggo/cocos2d-x into iss1689-add-CCLuaObjcBridge
Merge pull request #1956 from minggo/iss1689-add-CCLuaObjcBridge

Iss1689 add cc lua objc bridge