Merge branch 'cb/compat-mmap-is-private-read-only'

Code tightening. * cb/compat-mmap-is-private-read-only: compat: make sure git_mmap is not expected to write

Junio C Hamano committed Oct 30, 2018 at 15:43 UTC a70d7827ac071b9e4242ae7d145ce27013d8b928

No changes.