[src/yamt-idlelwp]: src Closing old heads

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

details:   https://anonhg.NetBSD.org/src/rev/ace11712f7b6
branches:  yamt-idlelwp
changeset: 932121:ace11712f7b6
user:      srcmastr <srcmastr%NetBSD.org@localhost>
date:      Fri May 01 04:07:45 2020 +0000

description:
Closing old heads