bug#61901: 30.0.50; [PATCH v3] Add safe-local-variable-directories variable.

[Eli Zaretskii]

> From: Antero Mejr <antero@mailbox.org>
> Cc: 61901@debbugs.gnu.org
> Date: Thu, 11 May 2023 21:38:33 +0000
> 
> Please ignore that last patch, here is a corrected version with updated
> docs. Since file-equal-p handles the trailing slash, now it doesn't
> matter if there is/isn't one.

Thanks, installed.

This change broke files-tests, so I installed a fix there.