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

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 29, 2019 at 12:38 UTC 0324b6f035a19f0098c321a7e6e17c04e9405be2

No changes.