Merge branch 'mh/find-uniq-abbrev' into maint

* mh/find-uniq-abbrev: sha1_name: avoid unnecessary sha1 lookup in find_unique_abbrev

Junio C Hamano committed Jan 12, 2015 at 14:02 UTC efc028b1f2c6da6558094326083f7643453bfccd

No changes.