[tlbuild] casefolding fallback search

[Norbert Preining]

Hi

> Jonathan committed a bunch of xetex fixes yesterday.
> 
> And I committed some changes to kpathsea/pathsearch.c to partially

Up to svn46551 it builds fine on travis including the builds for MUSL.

Norbert

--
PREINING Norbert                               http://www.preining.info
Accelia Inc.     +    JAIST     +    TeX Live     +    Debian Developer
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