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/_testcapimodule.c b/Modules/_testcapimodule.c
index 84dc1e1..c5a0bc5 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -839,8 +839,7 @@
 }
 
 static PyTypeObject test_structmembersType = {
-    PyObject_HEAD_INIT(NULL)
-    0,
+    PyVarObject_HEAD_INIT(NULL, 0)
 	"test_structmembersType",
 	sizeof(test_structmembers),	/* tp_basicsize */
 	0,				/* tp_itemsize */
@@ -890,7 +889,7 @@
 	if (m == NULL)
 		return;
 
-	test_structmembersType.ob_type=&PyType_Type;
+	Py_Type(&test_structmembersType)=&PyType_Type;
 	Py_INCREF(&test_structmembersType);
 	PyModule_AddObject(m, "test_structmembersType", (PyObject *)&test_structmembersType);