cocos2d/cocos2d-iphone — pull request #256 by slembcke (2012-10-25 21:33:36+00:00)
Title: Objective chipmunk integration

Including chipmunk.h in the headers when Chipmunk integration was turned on was causing problems for including Objective-Chipmunk in a project. It would try to include chipmunk.h a second time and cause issues because of the CP_ALLOW_PRIVATE_ACCESS stuff.

I changed it to use forward declarations of the Chipmunk structs instead.