Merge branch 'mk/reachable-protect-detached-head'

* mk/reachable-protect-detached-head: reachable.c: add HEAD to reachability starting commits

Junio C Hamano committed Sep 19, 2014 at 11:38 UTC 49cbc11ddb10e01e569e03b300fd2b4130f1ebba

No changes.