[tlbuild] mendexk test failure on Cygwin

[Marc Baudoin]

Peter Breitenlohner <peb at mppmu.mpg.de> écrit :
> On Fri, 9 Jan 2015, Marc Baudoin wrote:
> 
> >Works for me too.
> 
> Hi ken, Mark,
> 
> testing my cross compiled version (Linux => Cygwin) under Cygwin shows the
> same symptom.  I'd say that is definitely a bug, no such problem under
> Linux.  To work around the bug I have used your patch and replaced
> sizeof(buf) by BUFFERLEN (r36004). IMHO this is somewhat against the
> spirit of variadic macros, but so be it.

Everything's OK on NetBSD/amd64 now.