--- a/Include/object.h	Fri Apr 20 14:37:17 2012 +0200
+++ b/Include/object.h	Fri Apr 20 19:46:38 2012 +0200
@@ -479,7 +479,7 @@
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) _PyType_Lookup(PyTypeObject *, PyObject *);
 PyAPI_FUNC(PyObject *) _PyObject_LookupSpecial(PyObject *, _Py_Identifier *);
-PyAPI_FUNC(PyTypeObject *) _PyType_CalculateMetaclass(PyTypeObject *, PyObject *);
+PyAPI_FUNC(PyObject *) _PyType_BuildClass(PyObject *, PyObject *, PyObject *, PyObject *);
 #endif
 PyAPI_FUNC(unsigned int) PyType_ClearCache(void);
 PyAPI_FUNC(void) PyType_Modified(PyTypeObject *);