Merge branch 'rs/hashwrite-be64'

Code simplification. * rs/hashwrite-be64: pack-write: use hashwrite_be64() midx: use hashwrite_be64() csum-file: add hashwrite_be64()

Junio C Hamano committed Nov 25, 2020 at 15:24 UTC 455e8d18f81583d0270685edc6ec2ed201fc984c

No changes.