Link against ncursesw

[Stanislav Ochotnicky]

Fedora recently received a valid bugreport [1] showing problems with
pinentry-curses and  UTF-8 descriptions (most visible when someone has
UTF-8 in their gnupg names). Most simple reproducer is:

$ pinentry-curses
OK Your orders please
option lc-ctype=pl_PL.UTF-8
OK
setdesc ąćęłńóśźżĄĆĘŁŃÓŚŹŻ
OK
getpin
[pinentry shows garbled text in curses]

I prepared a patch that fixes this (attached), but I am not entirely
convinced it's the proper fix. That's mainly because I just replaced
ncurses linking with ncursesw. This is fine for most desktop systems
that have wide-char ncurses, but I assume there might be systems you
want to support without ncursesw.

Proper way to deal with this would probably be to fallback like this:
ncursesw -> ncurses -> curses

Apart from this does adding setlocale(LC_CTYPE, "") call seem
sensible?


[1] https://bugzilla.redhat.com/show_bug.cgi?id=704495

--
Stanislav Ochotnicky <sochotnicky at redhat.com>
Software Engineer - Base Operating Systems Brno

PGP: 7B087241
Red Hat Inc.                               http://cz.redhat.com
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