[Fedora-packaging] License tag for gpl2+ source and gfdl documentation

[Bruno Wolff III]

On Sat, Jul 03, 2010 at 15:35:20 -0500,
  Garrett Holmstrom <gholms at fedoraproject.org> wrote:
> 
> You can specify a License tag for the sub-package alongside its Summary 
> and other tags.

I found some more on that and that seems to be the recommendation.
The package doesn't currently have a -doc subpackage, so I can use that
for the 2 pdf user guides.