bug#51497: 29.0.50; (vc-print-log) broken over TRAMP

[Eli Zaretskii]

> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Sat, 06 Nov 2021 23:03:24 +0000
> 
> Looking at this again, Trying "C-x v l" for INSTALL in the repo master
> branch gives (rewrapped for clarity):
> 
>   fatal: :(literal)c:/emacs/git/emacs/master/nt/INSTALL:
>   'c:/emacs/git/emacs/master/nt/INSTALL' is outside repository at
>   '/c/emacs/git/emacs/master'
> 
> This appears to be due to the translation between win32 and cygwin
> (posix) filenames.

Right, and so the immediate suspect is cygwin-mount.el.  That command
works flawlessly for me, FWIW.