libargp inconsistent packaging

[Andrew Schulman]

> Andrew Schulman writes:
> > Hi Marco. I think I thought about this in the past, but because the total
> > size of this package is so small, I decided it wasn't worth the trouble to
> > split it in two. I think that both packages would have to include the doc
> > files, so there wouldn't be much gain.
> 
> You can't have the same files in two different packages, so if you
> wanted to do that you'd need to psplit out a doc package as well and
> have that as a required package for the other two.

That would REALLY be overkill. No, they wouldn't be the same files, since they'd
be in /usr/share/doc/libargp and /usr/share/doc/libargp-devel.