rem: gsb_gui_navigation_update_report_iter ( tree_model, iter, data );
add: gsb_gui_navigation_update_report_iter ( tree_model, iter, GPOINTER_TO_INT ( data ));
context: static gboolean gsb_gui_navigation_update_report_iterator ( GtkTreeModel * tree_model, 							    GtkTreePath *path, 							    GtkTreeIter *iter, 							    gpointer data ){    gint report_nb;    gtk_tree_model_get ( GTK_TREE_MODEL ( tree_model ), iter,			 NAVIGATION_REPORT, &report_nb, 			 -1 );    if ( report_nb == GPOINTER_TO_INT ( data ) )    {	gsb_gui_navigation_update_report_iter ( tree_model, iter, data );	return TRUE;    }    return FALSE;}