cocos2d-x github 最新源码在Linux下几个小bug 和解决方案

/root/cocos2d-x/samples/Cpp/TestCpp/Classes/LabelTest/LabelTestNew.h:127: error: undefined reference to `vtable for AtlasTestSceneNew’

虚函数只声明没有定义。 改成
class AtlasTestSceneNew : public TestScene
{
public:
virtual void runThisTest(){}
};