[gegl] (2 commits) Non-fast-forward update to branch wip/pippin/reverted-babl

[Øyvind "pippin" Kolås <ok src gnome org>]

The branch 'wip/pippin/reverted-babl' 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:

  d0cd848... meson: revert build requirement to 0.1.78

Commits added to the branch:

  130cd58... Fix build with glib 2.67.3 (see https://gitlab.gnome.org/GN (*)
  f488086... meson: revert build requirement to 0.1.78

(*) This commit already existed in another branch; no separate mail sent