[ITA] p7zip

[Andrew Schulman]

> Thanks all for the feedback and help. Sorry for showing up at a bad time.
> 
> > Note: You should perhaps remove the "keepdir" that preserves the
> > /usr/lib/p7zip/Codecs directory.  This drops a zero-size .keep-p7zip
> > file in there that elicits a warning from p7zip since it isn't a codec.
> > On the other hand, no warnings if the directory is simply missing and I
> > don't know of any package that tries to drop anything in there anyway.
> 
> I made this suggested change, and think I got everything uploaded.
> https://cygwin.com/cgi-bin2/package-grep.cgi?grep=p7zip&arch=x86_64
> looks promising, anyway. Guessing the sdesc from setup.hint doesn't
> get indexed as often?
> 
> Now I should write to cygwin-announce, yeah? And we can remove p7zip
> from https://cygwin.com/cygwin-64bit-missing.
> 
> That wasn't so bad! I skimmed through the list of orphaned packages
> to see if there was anything else that I'm familiar with building from
> source, but nothing jumped out at me.

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