bug#25763: 25.1; Mistaken setup function in Turkish language environment

[Eli Zaretskii]

> From: Göktuğ Kayaalp <self@gkayaalp.com>
> Date: Thu, 16 Feb 2017 21:17:28 +0300
> 
> In ‘lisp/languages/european.el’, in the definition of the «Turkish»
> language environment, there are two conses with the car
> ‘setup-function’, one of which have the cdr
> ‘turkish-case-conversion-enable’ and the other
> ‘turkish-case-conversion-disable’.  The second one should have the car
> ‘exit-function’ instead.  Below is a patch that fixes the bug.

Thanks, pushed to the master branch.  (It was a typo made more than 10
years ago.)

> Note that the patch does not include a NEWS entry, that's because I
> don't know whether to put it in NEWS for 26 or 25.2 (I think the
> latter is more likely).

There's no need to prepare NEWS entries for bugfixes, we only mention
new features in NEWS.