PEP 3123: Provide forward compatibility with Python 3.0, while keeping
backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
PyVarObject_HEAD_INIT.
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
index 89871d6..e75ab94 100644
--- a/Objects/codeobject.c
+++ b/Objects/codeobject.c
@@ -354,8 +354,7 @@
 /* XXX code objects need to participate in GC? */
 
 PyTypeObject PyCode_Type = {
-	PyObject_HEAD_INIT(&PyType_Type)
-	0,
+	PyVarObject_HEAD_INIT(&PyType_Type, 0)
 	"code",
 	sizeof(PyCodeObject),
 	0,