[src/matt-nb6-plus]: src Closing old heads

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

details:   https://anonhg.NetBSD.org/src/rev/eea0de1a7170
branches:  matt-nb6-plus
changeset: 931944:eea0de1a7170
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:03:07 2020 +0000

description:
Closing old heads