[src/netbsd-4-0]: src Closing old heads

[srcmastr <srcmastr%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6eb55b2763a4
branches:  netbsd-4-0
changeset: 931969:6eb55b2763a4
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:04:22 2020 +0000

description:
Closing old heads