Test for for environment set error

source/ubinstall-gtk-ui-lang.c

@@ -102,7 +102,7 @@ void yon_main_window_update_locale(main_window *widgets){
             }
         }
     }
-        locale = setlocale(LC_ALL,(char *)locale);
+        setlocale(LC_ALL,(char *)locale);
         yon_config_register(installer_locale_parameter,installer_locale_parameter_command,(char*)locale);
 
     // gtk_widget_destroy(widgets->MainWindow);