[src/netbsd-9]: src Closing old heads

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

details:   https://anonhg.NetBSD.org/src/rev/90050910303b
branches:  netbsd-9
changeset: 932008:90050910303b
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:05:05 2020 +0000

description:
Closing old heads