Fix Linux compile error
Merge branch 'v2' of https://github.com/cocos2d/cocos2d-x into v2_luacompile
Merge branch 'v2' of https://github.com/cocos2d/cocos2d-x into v2_luacompile
Merge pull request #9451 from samuele3hu/v2_luacompile

[ci skip]Fix Linux compile error for TestCpp