Re: need to unbreak Emacs build on AIX

[Eli Zaretskii]

> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Fri, 1 Jan 2021 15:17:41 -0800
> 
> Commit 2020-09-12T07:11:26Z!eliz@gnu.org 
> (694acda5f24e356264c3f2a55a49812e02bcb49a) broke the build on AIX 7.2, 
> as AIX uses libncurses for terminfo and its libncurses does not define 
> UP, BC, or CP. Normally I'd just install the attached patch into the 
> emacs-27 branch and then merge to master, but I thought I'd check on the 
> mailing list since I don't offhand know how close we are to a 27.2 release.

I'm okay with this change on master, obviously.  On the emacs-27
branch, please just countermand the problematic condition with
AIX-specific condition, as I don't want to change the configure script
there.

Thanks.