add backup_rom and restore_rom to amend scripts
diff --git a/extendedcommands.h b/extendedcommands.h
index 5629c41..12d6107 100644
--- a/extendedcommands.h
+++ b/extendedcommands.h
@@ -16,11 +16,17 @@
 void
 ui_set_show_text(int value);
 
-void
+int
 do_nandroid_backup();
 
+int
+do_nandroid_restore();
+
 void
 show_nandroid_restore_menu();
 
 void
-do_mount_usb_storage();
\ No newline at end of file
+do_mount_usb_storage();
+
+void
+show_choose_zip_menu();