Bug1.3.2 CCMask

Creator 2.x
#1

CATCHED ERROR /Users/moonwalker/Desktop/dkd_dig/cocos2d-x-lite/simulator/mac/Simulator.app/Contents/Resources/src/jsb_polyfill.js 9471 TypeError: this._clippingStencil is null

CCMask jsb onDestroy 的时候没有判断 this._clippingStencil 是否为空

#2

万分感谢，反馈, 会立即修复