[src/netbsd-6-1]: src Closing old heads

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

details:   https://anonhg.NetBSD.org/src/rev/2b3e6379d85f
branches:  netbsd-6-1
changeset: 931983:2b3e6379d85f
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:04:40 2020 +0000

description:
Closing old heads