use wxOVERRIDE

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76220 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/anybutton.h

@@ -23,7 +23,7 @@ public:
 
 protected:
     // choose the default border for this window
-    virtual wxBorder GetDefaultBorder() const { return wxBORDER_STATIC; }
+    virtual wxBorder GetDefaultBorder() const wxOVERRIDE { return wxBORDER_STATIC; }
 
 private:
     wxDECLARE_NO_COPY_CLASS(wxAnyButton);