cocos2d/cocos2d-x — pull request #5058 by zhiqiangxu (2014-01-14 12:15:00+00:00)
Title: CCScrollView should inherit CCActionTweenDelegate

CCScrollView uses CCActionTween, so it should implement CCActionTweenDelegate::updateTweenAction.

If CCScrollView::setZoomScaleInDuration is ever executed, it will crash.