* virtual function here as wxWidgets requires different ways to insert
* a child in container classes. */
-static void wxInsertChildInPopupWin(wxWindow* parent, wxWindow* child)
+static void wxInsertChildInPopupWin(wxWindowGTK* parent, wxWindowGTK* child)
{
gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow),
child->m_widget,