1.) Pull in patch from GNOME SVN to get definition of "gzize" in the
Mac OS X specific part o "babl-cpuaccel.c".
2.) Fix broken build of extensions which need to be built as bundles
and not shared libraries.
This fixes PR pkg/40473.
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babl is a dynamic, any to any, pixel format translation library.
It allows converting between different methods of storing pixels known
as pixel formats that have with different bitdepths and other data
representations, color models and component permutations.
A vocabulary to formulate new pixel formats from existing primitives is
provided as well as the framework to add new color models and data
types.
