Fixed #4277: correct a mistake in MoonWarriors
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into Iss4277_ReleaseV3.0
Fixed #4277: correct a mistake in MoonWarriors
Merge pull request #158 from dingpinglv/Iss4277_ReleaseV3.0

Fixed #4277: correct a mistake in MoonWarriors