fixed compilation and added support for all 4 images (as a side effect) to the

generic tree control


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3768 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/treectrl.h

@@ -271,7 +271,7 @@ public:
     void SetItemText(const wxTreeItemId& item, const wxString& text);
         // get one of the images associated with the item (normal by default)
     void SetItemImage(const wxTreeItemId& item, int image,
-                      wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
+                      wxTreeItemIcon which = wxTreeItemIcon_Normal);
         // associate some data with the item
     void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);