Fix ext/Win32/t/Unicode.t test failure under Cygwin

The attached patch fixes the following test failure under
Cygwin on Windows:

../ext/Win32/t/Unicode....1..12
# Running under perl version 5.010000 for cygwin
# Current time local: Thu Sep  6 13:06:12 2007
# Current time GMT:   Thu Sep  6 17:06:12 2007
# Using Test.pm version 1.25
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
# Test 10 got: <UNDEF> (../ext/Win32/t/Unicode.t at
line 82)
not ok 10
#    Expected:
"C:\perl_tmp\31805\perl-current\t\Foo
xx Bar xx Baz"
#  ../ext/Win32/t/Unicode.t line 82 is:
ok(Win32::GetLongPathName($subdir), $long);
ok 11
ok 12
FAILED test 10
        Failed 1/12 tests, 91.67% okay
Failed Test              Stat Wstat Total Fail  List of
Failed
------------------------------------------------------------
-------------------
../ext/Win32/t/Unicode.t               12    1  10
Failed 1/1 test scripts. 1/12 subtests failed.
Files=1, Tests=12,  0 wallclock secs ( 0.17 cusr +  0.18
csys =  0.35 CPU)
Failed 1/1 test programs. 1/12 subtests failed.

On 06/09/2007, Jerry D. Hedden <jdheddencpan.org> wrote:
> The attached patch fixes the following test failure
under Cygwin on Windows:

Thanks, applied as #31808.