[tex-live] TL2016: Stack smashed in upmendex fprint_uchar() function

[Norbert Preining]

Hi Werner,

> during test I've seen a catched stack smash done by glibc fortify.
> It seems that in texk/upmendex/fwrite.c the function fprint_uchar()
> will be overflowed by the UChar inital array in indwrite()

Hmm, that looks interesting. I have seen several test failures
due to segfaults on Debian packages, too, and I will give this
patch a try. Thanks!

Norbert

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PREINING Norbert + TeX Live & Debian Developer + http://www.preining.info
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