[tlbuild] axodraw2 test failure on 32-bit Cygwin

[Ken Brown]

Building from r46610, I'm getting an axodraw2 test failure on 32-bit 
Cygwin, but not on 64-bit Cygwin.  The test log is attached.  Please let 
me know if there is anything I can do to help track this down.

Ken
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   axohelp (TeX Live) 1: ./test-suite.log
============================================

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

.. contents:: :depth: 2

FAIL: axodraw2-src/axohelp
==========================

#!/bin/sh -vx

# Copyright (C) 2018 John Collins (jcc8 at psu.edu)
# You may freely use, modify and/or distribute this file.

if test -z "$test_srcdir"; then
  # If not set, then we are not running from `make check'.
  test_srcdir=`echo "$0" | sed -e 's,/[^\\/]*$,,'`  # == dirname $0
  test "$test_srcdir" = "$0" && test_srcdir=.       # in case subst failed
fi
+ test -z ''
++ echo ../../../utils/axodraw2/axodraw2-src/axohelp.test
++ sed -e 's,/[^\/]*$,,'
+ test_srcdir=../../../utils/axodraw2/axodraw2-src
+ test ../../../utils/axodraw2/axodraw2-src = ../../../utils/axodraw2/axodraw2-src/axohelp.test

echo Running axohelp on test document ...
+ echo Running axohelp on test document ...
Running axohelp on test document ...
cp "$test_srcdir"/test* .
+ cp ../../../utils/axodraw2/axodraw2-src/test.ax1 ../../../utils/axodraw2/axodraw2-src/test.ax2-std .
./axohelp test \
    || { echo axohelp failed to run correctly ; exit 1; }
+ ./axohelp test

echo Checking result ...
+ echo Checking result ...
Checking result ...
diff test.ax2-std test.ax2 \
    || { echo The .ax2 file created by axohelp was incorrect; exit 1; }
+ diff test.ax2-std test.ax2
606c606
< { 1 w 1 0 0 1 0 10 cm 0 0 m 100 0 l S 13.072 0 m 13.072 3.6 l S 38.072 0 m 38.072 3.6 l S 63.072 0 m 63.072 3.6 l S 88.072 0 m 88.072 3.6 l S 0.6 w 0 0 m 0 2.4 l S 3.123 0 m 3.123 2.4 l S 5.546 0 m 5.546 2.4 l S 7.526 0 m 7.526 2.4 l S 9.199 0 m 9.199 2.4 l S 10.649 0 m 10.649 2.4 l S 11.928 0 m 11.928 2.4 l S 20.598 0 m 20.598 2.4 l S 25 0 m 25 2.4 l S 28.123 0 m 28.123 2.4 l S 30.546 0 m 30.546 2.4 l S 32.526 0 m 32.526 2.4 l S 34.199 0 m 34.199 2.4 l S 35.649 0 m 35.649 2.4 l S 36.928 0 m 36.928 2.4 l S 45.598 0 m 45.598 2.4 l S 50 0 m 50 2.4 l S 53.123 0 m 53.123 2.4 l S 55.546 0 m 55.546 2.4 l S 57.526 0 m 57.526 2.4 l S 59.199 0 m 59.199 2.4 l S 60.649 0 m 60.649 2.4 l S 61.928 0 m 61.928 2.4 l S 70.598 0 m 70.598 2.4 l S 75 0 m 75 2.4 l S 78.123 0 m 78.123 2.4 l S 80.546 0 m 80.546 2.4 l S 82.526 0 m 82.526 2.4 l S 84.199 0 m 84.199 2.4 l S 85.649 0 m 85.649 2.4 l S 86.928 0 m 86.928 2.4 l S 95.598 0 m 95.598 2.4 l S 100 0 m 100 2.4 l S}
---
> { 1 w 1 0 0 1 0 10 cm 0 0 m 100 0 l S 13.072 0 m 13.072 3.6 l S 38.072 0 m 38.072 3.6 l S 63.072 0 m 63.072 3.6 l S 88.072 0 m 88.072 3.6 l S 0.6 w 3.123 0 m 3.123 2.4 l S 5.546 0 m 5.546 2.4 l S 7.526 0 m 7.526 2.4 l S 9.199 0 m 9.199 2.4 l S 10.649 0 m 10.649 2.4 l S 11.928 0 m 11.928 2.4 l S 20.598 0 m 20.598 2.4 l S 25 0 m 25 2.4 l S 28.123 0 m 28.123 2.4 l S 30.546 0 m 30.546 2.4 l S 32.526 0 m 32.526 2.4 l S 34.199 0 m 34.199 2.4 l S 35.649 0 m 35.649 2.4 l S 36.928 0 m 36.928 2.4 l S 45.598 0 m 45.598 2.4 l S 50 0 m 50 2.4 l S 53.123 0 m 53.123 2.4 l S 55.546 0 m 55.546 2.4 l S 57.526 0 m 57.526 2.4 l S 59.199 0 m 59.199 2.4 l S 60.649 0 m 60.649 2.4 l S 61.928 0 m 61.928 2.4 l S 70.598 0 m 70.598 2.4 l S 75 0 m 75 2.4 l S 78.123 0 m 78.123 2.4 l S 80.546 0 m 80.546 2.4 l S 82.526 0 m 82.526 2.4 l S 84.199 0 m 84.199 2.4 l S 85.649 0 m 85.649 2.4 l S 86.928 0 m 86.928 2.4 l S 95.598 0 m 95.598 2.4 l S 100 0 m 100 2.4 l S}
+ echo The .ax2 file created by axohelp was incorrect
The .ax2 file created by axohelp was incorrect
+ exit 1
FAIL axodraw2-src/axohelp.test (exit status: 1)