Merge branch 'tg/refs-allowed-flags' into maint

API error-proofing which happens to also squelch warnings from GCC. * tg/refs-allowed-flags: refs: strip out not allowed flags from ref_transaction_update

Junio C Hamano committed Oct 18, 2017 at 14:18 UTC 0f213754f6db9c005d881c13a858901e6d40ccb0

No changes.