bug#33477: 24.4; Eshell history/lastdir file symlinks not followed

[Eli Zaretskii]

> From: Philip Hudson <phil.hudson@iname.com>
> Date: Sat, 24 Nov 2018 00:16:14 +0000
> 
> Expanding on bug #33460 (see below), predictably enough, the same
> issue applies to eshell's "lastdir" file too.

Thanks.  You should have written to the 33460 bug address, not opening
a new bug.

> The attached patch provides the same fix, again using function
> `file-truename'. It supplants my previous patch, which should be
> discarded. So I guess bug #33640 should be closed now.

I pushed both changes to the master branch.  As mentioned earlier,
please in the future provide commit log messages and the necessary
documentation changes.