update the touch interface to the new SDL2 API
touch is a little flacky, works great on buttons and wigets but crosshair and hogs are difficult to select...
//
// Prefix header for all source files of the 'CocoaTouchStaticLibrary' target in the 'CocoaTouchStaticLibrary' project.
//
#ifdef __OBJC__
#import <Foundation/Foundation.h>
#endif