Merge branch 'ss/exc-flag-is-a-collection-of-bits'

Code clean-up. * ss/exc-flag-is-a-collection-of-bits: dir: store EXC_FLAG_* values in unsigned integers

Junio C Hamano committed Apr 6, 2016 at 11:38 UTC 12508a83549e59f0160ada423997069bf4a4003f

No changes.