Merge branch 'sb/mailmap-freeing-NULL-is-ok'

* sb/mailmap-freeing-NULL-is-ok: mailmap: remove redundant check for freeing memory

Junio C Hamano committed Sep 11, 2013 at 15:00 UTC e5229b6a61fefcacd63d11afd49f0cdafaa60801

No changes.