Correct typo (Py_MethodDef doesn't exist).  Reported by Uwe Zessin.
diff --git a/Objects/xxobject.c b/Objects/xxobject.c
index 501b955..c5b518f 100644
--- a/Objects/xxobject.c
+++ b/Objects/xxobject.c
@@ -85,7 +85,7 @@
 	return Py_None;
 }
 
-static Py_MethodDef xx_methods[] = {
+static PyMethodDef xx_methods[] = {
 	{"demo",	(PyCFunction)xx_demo},
 	{NULL,		NULL}		/* sentinel */
 };