Cabal2Nix/PostProcess.hs: added preliminary support for wxc
Cabal2Nix/PostProcess.hs: added preliminary support for wxc

The package still doesn't build, but without those changes I won't even get a meaningful error message.

dmalikov/cabal2nix,Fuuzetsu/cabal2nix,gridaphobe/cabal2nix,psibi/cabal2nix,bennofs/cabal2nix,spencerjanssen/cabal2nix,jb55/cabal2nix