wxMenuBar::Insert() seems to work!

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4817 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk1/menu.h

@@ -45,6 +45,9 @@ public:
     void SetInvokingWindow( wxWindow *win );
     void UnsetInvokingWindow( wxWindow *win );
 
+    // common part of Append and Insert
+    bool GtkAppend(wxMenu *menu, const wxString& title);
+
     GtkAccelGroup   *m_accel;
     GtkItemFactory  *m_factory;
     GtkWidget       *m_menubar;