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

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

details:   https://anonhg.NetBSD.org/src/rev/1174461a23b0
branches:  netbsd-6-1
changeset: 931986:1174461a23b0
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:04:42 2020 +0000

description:
Closing old heads