Fixed crash at zone choosing

source/ubinstall-gtk.c

@@ -1148,8 +1148,6 @@ void on_page_navigation_clicked(GtkWidget *self, main_window *widgets){
                         char *region = (char*)gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->RegionCombo));
                         char *zone = (char*)gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->ZoneCombo));
                         yon_config_register(zone_parameter,zone_parameter_command,yon_char_unite(region,"/",zone,NULL));
-                        free(zone);
-                        free(region);
                     } else {
                         yon_config_remove_by_key(zone_parameter);
                     }