bug#21677: Guile-NCurses test failure when built against NCurses 6.0

[ludo@gnu.org (Ludovic Courtès)]

Hello,

Guile-NCurses 1.6 has one test failure when built against NCurses 6.0:

--8<---------------cut here---------------start------------->8---
================================================
   GNU Guile-Ncurses 1.6: test/test-suite.log
================================================

# TOTAL: 71
# PASS:  70
# SKIP:  0
# XFAIL: 0
# FAIL:  1
# XPASS: 0
# ERROR: 0

.. contents:: :depth: 2

FAIL: curses_034_util
=====================

[?1049h[1;24r[m[4l[?7h[H[2J[6;6Hzzz[H[2J[24;1H[?1049l^[[?1l>UNRESOLVED: util: delay-output
PASS: util: curses-version
PASS: util: unctrl #\bel
PASS: util: unctrl x
PASS: util: unctrl xchar #\bel
PASS: util: unctrl xchar x
PASS: util: keyname #\bel
PASS: util: keyname x
PASS: util: keyname home
FAIL: getwin/putwin: putwin
ERROR: getwin/putwin: getwin - arguments: ((srfi-34 #<condition &curses-wrong-type-arg-error [arg: #f expected-type: window] e7d210>))

--8<---------------cut here---------------end--------------->8---

This was fine with NCurses 5.0.

Any ideas?

(Run ‘guix build guile-ncurses’ with current Guix master to reproduce.)

Thanks in advance!

Ludo’.