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/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index 54abb89..96bdc20 100644
--- a/Modules/_functoolsmodule.c
+++ b/Modules/_functoolsmodule.c
@@ -81,7 +81,7 @@
 	Py_XDECREF(pto->args);
 	Py_XDECREF(pto->kw);
 	Py_XDECREF(pto->dict);
-	pto->ob_type->tp_free(pto);
+	Py_Type(pto)->tp_free(pto);
 }
 
 static PyObject *
@@ -197,8 +197,7 @@
 };
 
 static PyTypeObject partial_type = {
-	PyObject_HEAD_INIT(NULL)
-	0,				/* ob_size */
+	PyVarObject_HEAD_INIT(NULL, 0)
 	"functools.partial",		/* tp_name */
 	sizeof(partialobject),		/* tp_basicsize */
 	0,				/* tp_itemsize */