Fix libgitg compile on macOS
The breakage was because of a change in gtk: gtk@ef72fe75. AppKit headers are no longer included/imported by #include <gdk/gdkquartz.h>
and now needs to be done separately.
The breakage was because of a change in gtk: gtk@ef72fe75. AppKit headers are no longer included/imported by #include <gdk/gdkquartz.h>
and now needs to be done separately.