x11-fonts/libFS: update to 1.0.9

Changes: https://gitlab.freedesktop.org/xorg/lib/libfs/-/compare/libFS-1.0.8...libFS-1.0.9
Reviewed by: diizzy, jbeich
Tested by: arrowd
Pull Request: https://github.com/freebsd/freebsd-ports/pull/273
Sponsored by: Serenity Cybersecurity, LLC