Log Message:
gegl: Update to 0.4.22

GEGL-0.4.22 2020-02-18
----------------------

Build
~~~~~
Updates to python gobject introspection tests, and made them able to look up
babl typelib.
Build pdf:load again; missing since meson migration.
Fix OpenCL include file generation to work in non-utf8 locales.

Operations
~~~~~~~~~~

matting-{global,levin}: fix crash when bounding boxes of input and aux differ.

Contributors to this release
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Anders Jonsson, band-a-prend, Ell, Félix Piédallu and Øyvind Kolås.