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

[Andrew Cagney]

New commits:
commit c47d05fa2b3bcf2d3c148bcfed766dcf4c7f9caf
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri May 21 23:05:14 2021 -0400

    building: always get size_t from <stddef.h>