Merge branch 'ab/aix-needs-compat-regex' into maint

Build fix. * ab/aix-needs-compat-regex: config.mak.uname: set NO_REGEX=NeedsStartEnd on AIX

Junio C Hamano committed Jun 4, 2017 at 10:20 UTC 9102f423f11efc9db2afbedf22410fb7bf10b288

No changes.