genereate_defs_glib: Add some more glib GTypes.
genereate_defs_glib: Add some more glib GTypes.

Though we don't actually use them or need to use them.
Still, it would be nice to see when something changes about these
types.

johne53/MB3Glibmm,GNOME/glibmm,GNOME/glibmm,johne53/MB3Glibmm,GNOME/glibmm,johne53/MB3Glibmm,GNOME/glibmm,GNOME/glibmm,johne53/MB3Glibmm