Ensure that a wxMenuItem's parent menu is updated if it is removed

from one and added to another menu.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@21027 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/menuitem.h

@@ -49,6 +49,7 @@ public:
 
     // the menu we're in
     wxMenu *GetMenu() const { return m_parentMenu; }
+    void SetMenu(wxMenu* menu) { m_parentMenu = menu; }
 
     // get/set id
     void SetId(int id) { m_id = id; }