fix compiling error
fix compiling error on iOS
Merge pull request #7250 from minggo/fix-compiling

fix compiling error
call parent onExit method
Merge pull request #7258 from andyque/fixSchedulerTest

call parent onExit method
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3-gc0630

Conflicts:
	tests/game-controller-test/proj.android/project.properties