bug#13725: 24.3.50; auto-revert-tail-mode stopped working

[Eli Zaretskii]

> From: <rcopley@gmail.com>
> Date: Fri, 15 Feb 2013 22:44:17 +0000
> 
> Somewhere between revisions 111524 and 111617, auto-revert-tail-mode
> stopped working (on this system, at least).
> 
> 
> Recipe: visit a nonempty file from `emacs -Q' and enable
> `auto-revert-tail-mode'. Append to the file from outside emacs using
> "cmd.exe", "echo" and ">>".
> 
> 
> Expected result: the buffer auto-reverts within a short time.
> 
> 
> Actual results for revisions of bzr trunk emacs:
>   r111524 (latest good): as expected.
>   r111617 (earliest bad): failure (buffer doesn't auto-revert).
>   r111794 (recent): failure.

Fixed in trunk revision 111802.  Thanks.