enigma: xdg_utils -> xdg-utils

pkgs/games/enigma/default.nix

···
-{ lib, stdenv, fetchurl, makeWrapper, pkg-config, gettext, imagemagick, curl, libpng, SDL2, SDL2_image, SDL2_mixer, SDL2_ttf, xercesc, xdg_utils, hicolor-icon-theme }:
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, gettext, imagemagick, curl, libpng, SDL2, SDL2_image, SDL2_mixer, SDL2_ttf, xercesc, xdg-utils, hicolor-icon-theme }:
 stdenv.mkDerivation rec {
   pname = "enigma";
   version = "1.30-alpha";
···
   };
 
   nativeBuildInputs = [ pkg-config gettext makeWrapper imagemagick ];
-  buildInputs = [ SDL2 SDL2_image SDL2_mixer SDL2_ttf libpng xercesc curl xdg_utils ];
+  buildInputs = [ SDL2 SDL2_image SDL2_mixer SDL2_ttf libpng xercesc curl xdg-utils ];
 
   # For some reason (might be related to the alpha status), some includes
   # which are required by lib-src/enigma-core are not picked up by the
···
 
   postInstall = ''
     rm -r $out/include
-    wrapProgram $out/bin/enigma --prefix PATH : "${lib.makeBinPath [ xdg_utils ]}"
+    wrapProgram $out/bin/enigma --prefix PATH : "${lib.makeBinPath [ xdg-utils ]}"
   '';
 
   meta = with lib; {