[src/netbsd-3-1]: src Closing old heads

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

details:   https://anonhg.NetBSD.org/src/rev/39d47c6c816a
branches:  netbsd-3-1
changeset: 931967:39d47c6c816a
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:04:18 2020 +0000

description:
Closing old heads