Merge branch 'rs/avoid-overflow-in-midpoint-computation'

Code clean-up to avoid signed integer overlaps during binary search. * rs/avoid-overflow-in-midpoint-computation: cleanup: fix possible overflow errors in binary search, part 2

Junio C Hamano committed Jul 9, 2019 at 15:25 UTC 891c1c280f070998428868d9a175c89341f8c982

No changes.