Merge branch 'rs/reflog-exists'

* rs/reflog-exists: checkout.c: use ref_exists instead of file_exist refs.c: add new functions reflog_exists and delete_reflog

Junio C Hamano committed Jun 6, 2014 at 11:23 UTC f7f349e1383077fb9e1c03335a372b52a19ab2f0

No changes.