Merge branch 'jk/validate-headref-fix' into maint

Code clean-up. * jk/validate-headref-fix: validate_headref: use get_oid_hex for detached HEADs validate_headref: use skip_prefix for symref parsing validate_headref: NUL-terminate HEAD buffer

Junio C Hamano committed Oct 18, 2017 at 14:19 UTC 41052b11bc5a128c6a4266ea60c712a088cb2166

No changes.