idutils: mark as broken

Last release was in 2012, package is unmaintained and build system is
pretty old, so we can't just replace the ancient gnulib with a newer
version without further hassle.

pkgs/tools/misc/idutils/default.nix

@@ -50,5 +50,6 @@ stdenv.mkDerivation rec {
 
     maintainers = [ ];
     platforms = stdenv.lib.platforms.all;
+    broken = true;
   };
 }