GRUB_BOOT_SILENT parameter registering fix

source/ubl-settings-bootloader.c

@@ -419,7 +419,7 @@ void on_parameter_changed(GtkWidget *self,main_window *widgets){
     } else if (self == widgets->BootDisplayModeCombo){
         char *display_mode = (char*)gtk_combo_box_get_active_id(GTK_COMBO_BOX(widgets->BootDisplayModeCombo));
         if (!yon_char_is_empty(display_mode)){
-            yon_config_register(GRUB_BOOT_SILENT_parameter,GRUB_BOOT_SILENT_parameter,display_mode);
+            yon_config_register(GRUB_BOOT_SILENT_parameter,GRUB_BOOT_SILENT_command,display_mode);
         } else {
             yon_config_remove_by_key(GRUB_BOOT_SILENT_parameter);
         }