bug#27952: 26.0.50; Combine archive-int-to-mode and tar-grind-file-mode

[Eli Zaretskii]

> From: Tino Calancha <tino.calancha@gmail.com>
> Date: Thu, 14 May 2020 22:08:36 +0200 (CEST)
> cc: Tino Calancha <tino.calancha@gmail.com>, 27952@debbugs.gnu.org
> 
> >  In archive--summarize-descs:
> >  arc-mode.el:1509:45: Warning: `archive-int-to-mode' is an obsolete function
> >      (as of 28.1); use `file-modes-number-to-symbolic' instead.
> >  arc-mode.el:1574:70: Warning: `archive-int-to-mode' is an obsolete function
> >      (as of 28.1); use `file-modes-number-to-symbolic' instead.
> >
> > Would it be possible to eliminate these warnings, please?
> Sorry, I missed that.  Pushed a fix 
> (065f6a1d8b5c7dc8f1bf758e22f2e9a7d17b47d4)

Thanks, compiles cleanly now.