~/gal/gal/menus/gal-view-instance.c    

static void
add_popup_radio_item (EPopupMenu *menu_item,
                      gchar *title,
                      GtkSignalFunc fn,
                      gpointer closure,
                      gboolean value)
{
       const EPopupMenu menu_item_struct =        //delete const here
                E_POPUP_RADIO_ITEM_CC (title,
                                       fn,
                                       closure,
                                       0,
                                       value);    //error with 'value'

        e_popup_menu_copy_1 (menu_item, &menu_item_struct);
}

When compile these lines , Forte will error.

In order to pass, we removed 'const' and changed 'value' to 1 (or 0 since
it's a boolean.). This may need more work.