Fixed default LANG parameter setting

source/ubl-settings-system.c

@@ -258,6 +258,7 @@ void on_locale_accept(GtkWidget *self, dictionary *dict){
     GtkTreeIter iter;
     if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(window->DefaultCheck))){
         yon_config_remove_by_key(locale_parameter);
+        yon_config_remove_by_key(language_parameter);
         gtk_entry_set_text(GTK_ENTRY(widgets->LocaleEntry),DEFAULT_LABEL);
         for_iter (GTK_TREE_MODEL(widgets->languagelist),&iter){
             gtk_list_store_set(widgets->languagelist,&iter,2,0,-1);