Merge branch 'rs/ref-update-check-errors-early'
authorJunio C Hamano <gitster@pobox.com>
Tue, 3 Jun 2014 19:06:42 +0000 (12:06 -0700)
committerJunio C Hamano <gitster@pobox.com>
Tue, 3 Jun 2014 19:06:42 +0000 (12:06 -0700)
* rs/ref-update-check-errors-early:
  commit.c: check for lock error and return early
  sequencer.c: check for lock failure and bail early in fast_forward_to


Trivial merge