GNOME Bugzilla – Bug 734286
Link with libffi
Last modified: 2014-08-06 01:37:35 UTC
See: https://github.com/Alexpux/MINGW-packages/blob/master/mingw-w64-pygobject/0006-link-with-libffi.patch
https://git.gnome.org/browse/pygobject/commit/?id=093abb4