运行程序后，vld就检测出有4个字节的内存泄漏
Visual Leak Detector detected 1 memory leak (40 bytes).
Largest number used: 255398 bytes.
Total allocations: 4402002 bytes.
Visual Leak Detector is now exiting.
程序“ TestCpp.exe”已退出，返回值为 1 (0x1)。
用cocos2d-x3.0调用CocoStudio的场景、动画、UI，都会有很大的内存泄漏
Visual Leak Detector detected 1588 memory leaks (482035 bytes).
Largest number used: 19403946 bytes.
Total allocations: 41129531 bytes.
Visual Leak Detector is now exiting.