[3.10] bpo-44394: Ensure libexpat is linked against libm (GH-28617) (GH-28621)

* bpo-44394: Ensure libexpat is linked against libm (GH-28617)
(cherry picked from commit 6c1154b9de29e1c9cd3d05f5289543e5cff73895)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Ɓukasz Langa <lukasz@langa.pl>
1 file changed