bug#71499: [PATCH] Make whitespace.el cleanup add missing final newline

[Eli Zaretskii]

> Cc: 71499@debbugs.gnu.org, stefankangas@gmail.com, bkhl@elektrubadur.se
> Date: Thu, 13 Jun 2024 11:30:51 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> Meanwhile, Björn, I have a few comments to the patch:
> 
>   . it needs a NEWS entry announcing the new feature
>   . is there any reason your code to handle the missing newline is not
>     identical to what the implementation of require-final-newline
>     does?

Ping!  Björn, can you please post an updated patch with the above nits
taken care of?  We can install this now on the master branch.