[Swan-commit] Changes to ref refs/heads/main

[D. Hugh Redelmeier]

New commits:
commit 71af152cbf2b1570705259e5f1ec31f62df17590
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Mon Apr 26 21:31:33 2021 -0400

    include: remove unused lsw_select.h