corrections for final release of Mac OS X

applied patches proposed by Mark Newsam


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9625 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/stubs/treectrl.h

@@ -256,6 +256,7 @@ protected:
  wxEVT_COMMAND_TREE_KEY_DOWN
 */
 
+#ifndef __WXMAC_X__
 class WXDLLEXPORT wxTreeEvent: public wxCommandEvent
 {
   DECLARE_DYNAMIC_CLASS(wxTreeEvent)
@@ -275,6 +276,7 @@ class WXDLLEXPORT wxTreeEvent: public wxCommandEvent
 };
 
 typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
+#endif
 
 #endif
     // _WX_TREECTRL_H_