fuppes: mark as broken

This package has been broken since 2014-01-20, according to Hydra [1]. I tried
various ad-hoc patching & adding missing dependencies, uncovering yet more
errors. Updating is also out of the question, as nixpkgs already contains the
latest version.

[1]: https://hydra.nixos.org/build/25188337

pkgs/tools/networking/fuppes/default.nix

···
 
     maintainers = [ stdenv.lib.maintainers.pierron ];
     platforms = stdenv.lib.platforms.all;
+
+    broken = true;
   };
 }