Cocos2d-x used a deprecated method to get the content size of a CCLabelTTF on iOS 7.
Merge pull request #8125 from cpascal/fix_invalid_windows_definition

Fixed invalid use of CC_TARGET_PLATFORM in the CCClippingNode
Merge pull request #8116 from Dhilan007/v3-labelfix

Cocos2d-x used a deprecated method to calculates the bounding rect of a string on iOS 7.