Merge pull request #579 from lz4/xxhash
authorYann Collet <Cyan4973@users.noreply.github.com>
Tue, 18 Sep 2018 23:54:25 +0000 (16:54 -0700)
committerGitHub <noreply@github.com>
Tue, 18 Sep 2018 23:54:25 +0000 (16:54 -0700)
updated xxhash to latest version


Trivial merge