Bug#816474: Add a Lintian check for insane Depends relations

[Jakub Wilk <jwilk@debian.org>]

Hi Paul!

* Paul Tagliamonte <paultag@debian.org>, 2016-03-02, 00:16:
> I'd be great if Lintian could detect garbage such as:
>
>    Build-Depends: foo [amd64 !hurd-amd64]
>
> Since Depends lines must be "all in".

It's already implemented:

E: paultag source: conflicting-negation-in-source-relation build-depends: foo [amd64 !hurd-amd64]

--
Jakub Wilk