fix build on mac
fix build on mac

leapmotion/autowiring,codemercenary/autowiring,leapmotion/autowiring,leapmotion/autowiring,leapmotion/autowiring,codemercenary/autowiring,codemercenary/autowiring,codemercenary/autowiring,codemercenary/autowiring,leapmotion/autowiring,codemercenary/autowiring,leapmotion/autowiring