woof-doom: add nix-update-script

pkgs/by-name/wo/woof-doom/package.nix

@@ -12,6 +12,7 @@
   libxmp,
   libebur128,
   python3,
+  nix-update-script,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -41,6 +42,8 @@ stdenv.mkDerivation (finalAttrs: {
     openal
   ];
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "Woof! is a continuation of the Boom/MBF bloodline of Doom source ports";
     homepage = "https://github.com/fabiangreffrath/woof";