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

[Andrew Cagney]

New commits:
commit 6b15affc6d76972e592478c22b93094a1c2e6d0c
Author: Andrew Cagney <cagney at gnu.org>
Date:   Sat May 28 20:05:44 2022 -0400

    building: fix $(top_srcdir) et.al. when at top level