adding wrapping possibility for native tlws

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63969 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private.h

@@ -209,6 +209,7 @@ public :
     virtual void WillBeDestroyed() ;
     void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
     long style, long extraStyle, const wxString& name ) ;
+    void Create( wxWindow* parent, WXWindow nativeWindow );
 
     WXWindow GetWXWindow() const;
     void Raise();