I'm using the xxmodule and xxsubtype to test the msvccompiler on Windows. I'm…

I'm using the xxmodule and xxsubtype to test the msvccompiler on Windows. I'm having trouble to compile the module with VS 2008 cl.exe because "initializer is not a constant".

Modules/xxmodule.c

@@ -246,7 +246,7 @@ static PyTypeObject Str_Type = {
 	0,			/*tp_methods*/
 	0,			/*tp_members*/
 	0,			/*tp_getset*/
-	&PyUnicode_Type,	/*tp_base*/
+	0,			/*tp_base*/
 	0,			/*tp_dict*/
 	0,			/*tp_descr_get*/
 	0,			/*tp_descr_set*/
@@ -301,7 +301,7 @@ static PyTypeObject Null_Type = {
 	0,			/*tp_methods*/
 	0,			/*tp_members*/
 	0,			/*tp_getset*/
-	&PyBaseObject_Type,	/*tp_base*/
+	0,			/*tp_base*/
 	0,			/*tp_dict*/
 	0,			/*tp_descr_get*/
 	0,			/*tp_descr_set*/
@@ -341,6 +341,9 @@ initxx(void)
 {
 	PyObject *m;
 
+	Null_Type.tp_base = &PyBaseObject_Type;
+	Str_Type.tp_base = &PyUnicode_Type;
+
 	/* Finalize the type object including setting type of the new type
 	 * object; doing it here is required for portability to Windows 
 	 * without requiring C++. */