[glib] Non-fast-forward update to branch wip/pwithnall/freebsd-math

[Philip Withnall <pwithnall src gnome org>]

The branch 'wip/pwithnall/freebsd-math' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  87a8010... build: Link libglib to libm on FreeBSD to provide isfinite(

Commits added to the branch:

  1e3efbc... WIP