Merge branch 'ew/fd-cloexec-fix' into maint

Portability/fallback fix. * ew/fd-cloexec-fix: set FD_CLOEXEC properly when O_CLOEXEC is not supported

Junio C Hamano committed Jul 21, 2017 at 15:03 UTC 38351249be61687234243c9e0b007dee402be26a

No changes.