ANSIfication of hp2ps

[Sven Panne]

Nicholas Nethercote wrote:
> Ralf Wildenhues wrote a patch ANSIfying hp2ps, which included a fix that
> could avoid a bug.  See:
> 
>   bugs.kde.org/show_bug.cgi?id=82098

I've applied the patch to GHC's HEAD and STABLE branches, thanks.

Cheers,
    S.