[tlbuild] makejvf.test test failures

[Ken Brown]

On 7/23/2017 9:28 AM, Hironobu Yamashita wrote:
>> I'm not sure this test failure can be solved by modifying sources.
>> Maybe I should replace test files to avoid such a round-off error?
> 
> I hope the attached patch avoids the test failure,
> though it may look too ad-hoc.
> (It’s still ok on x86_64-darwin and win32.)

It's now OK on Cygwin (both i386 and x86_64).

Thanks.

Ken