Added #define for oldest version of argument calling
diff --git a/Include/methodobject.h b/Include/methodobject.h
index bb9d964..ee0cb7e 100644
--- a/Include/methodobject.h
+++ b/Include/methodobject.h
@@ -50,6 +50,7 @@
 extern DL_IMPORT(PyObject *) PyCFunction_New(PyMethodDef *, PyObject *);
 
 /* Flag passed to newmethodobject */
+#define METH_OLDARGS  0x0000
 #define METH_VARARGS  0x0001
 #define METH_KEYWORDS 0x0002