bug#35241: 27.0.50; Tramp can't decrypt .authinfo.gpg in Win 10

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@gmail.com>
> Date: Tue, 16 Apr 2019 11:20:17 -0400
> Cc: Shuguang Sun <shuguang79@qq.com>, 35241@debbugs.gnu.org
> 
> The Windows shell acts as if "." is part of PATH regardless, as far
> as I can tell.

It isn't the shell, it's how executable search works on the OS level.