modifications for compilation under Mac OS X

applied patches extracted from submission by Marc Newsam (tested under Mac OS 9)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/slider.h

@@ -17,6 +17,8 @@
 #endif
 
 #include "wx/control.h"
+#include "wx/slider.h"
+#include "wx/stattext.h"
 
 WXDLLEXPORT_DATA(extern const char*) wxSliderNameStr;