Fix include for case sensitive HFS+ builds

CocoaInitializer.h != cocoainitializer.h on case sensitive filesystems

Author: ArrEssJay

src/native/mac/cocoainitializer.mm

@@ -36,7 +36,7 @@
     POSSIBILITY OF SUCH DAMAGE.
  ***************************************************************************/
 
-#include "CocoaInitializer.h"
+#include "cocoainitializer.h"
 
 #include <AppKit/AppKit.h>
 #include <Cocoa/Cocoa.h>