bug#25218: flyspell.el tidy-up: remove XEmacs support and fix a spelling mistake

[Eli Zaretskii]

> From: Reuben Thomas <rrt@sc3d.org>
> Date: Sat, 17 Dec 2016 19:14:00 +0000
> 
> The attached patches remove XEmacs support from flyspell.el (flyspell.el has 
> been an integral part of GNU
> Emacs for some time, so our version does not need to support XEmacs), and 
> renames an internal defun
> whose name was incorrectly spelt: flyspell-ajust-cursor-point (ajust → 
> adjust).

Thanks, this is OK.