wmutils-core: switch to fetchFromGitHub

pkgs/tools/X11/wmutils-core/default.nix

···
-{ lib, stdenv, fetchurl, libxcb, xcbutil, xcb-util-cursor }:
+{ lib, stdenv, fetchFromGitHub, libxcb, xcbutil, xcb-util-cursor }:
 
 stdenv.mkDerivation rec {
   pname = "wmutils-core";
   version = "1.5";
 
-  src = fetchurl {
-    url = "https://github.com/wmutils/core/archive/v${version}.tar.gz";
-    sha256 = "0wk39aq2lrnc0wjs8pv3cigw3lwy2qzaw0v61bwknd5wabm25bvj";
+  src = fetchFromGitHub {
+    owner = "wmutils";
+    repo = "core";
+    rev = "v${version}";
+    sha256 = "XPVH7vXlpmUsvNyGKMxLSZnWLnH/J5nGkXizcVqDwzM=";
   };
 
   buildInputs = [ libxcb xcbutil xcb-util-cursor ];