bug#58967: 29.0.50; `g` in list-directory fails with error

[Stefan Kangas]

Thibault Polge <thibault@thb.lt> writes:

> Steps to reproduce:
>
>  - M-x list-directory RET
>  - (Pick a directory)
>  - Type `g`
>  - Results in:
>     Debugger entered--Lisp error: (void-function nil)
>       nil()
>       help-mode-revert-buffer(t nil)
>       revert-buffer(t)
>       funcall-interactively(revert-buffer t)
>       command-execute(revert-buffer)
>   Instead of refreshing the view (or just doing nothing)

I believe that this bug was fixed on master?