[Nix-dev] botan

[Michael Raskin]

>The generic part of the nixpkgs expression for botan refers to both the bzip 
>download and the gzip download.  The given hash corresponds to the gzip one 
>and generates a hash mismatch error.   The attached patch downloads the 
>gzipped one to match the given hash.

Oops. Download page now lists tgz by default, and I forgot that the 
extension is mentioned twice in the expression, sorry for that.

Thanks for noticing this.

Committed.