Merge branch 'rj/git-version-gen-do-not-force-abbrev'

A minor build update. * rj/git-version-gen-do-not-force-abbrev: GIT-VERSION-GEN: do not force abbreviation length used by 'describe'

Junio C Hamano committed Dec 19, 2016 at 14:45 UTC 0a45050a1456ed18a0b886f60b1b217b4db165ae

No changes.