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

[Andrew Cagney]

New commits:
commit 0aef11057dd2e94a941996fe91218c6a072c6a1e
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Jul 30 10:14:36 2021 -0400

    testing: errno tweaks

commit 9d053ceac13ef3375f85c0e97e319f9acc63b9dc
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Jul 30 10:07:41 2021 -0400

    logging: in log_error() force ": ", just like perror()