SF bug #439104: Tuple richcompares has code-typo.

Symptom:  (1, 2, 3) <= (1, 2) returned 1.
This was already fixed in CVS for tuples, but an isomorphic error was in
the list richcompare code.

Objects/listobject.c

@@ -1512,7 +1512,7 @@ list_richcompare(PyObject *v, PyObject *w, int op)
 		PyObject *res;
 		switch (op) {
 		case Py_LT: cmp = vs <  ws; break;
-		case Py_LE: cmp = ws <= ws; break;
+		case Py_LE: cmp = vs <= ws; break;
 		case Py_EQ: cmp = vs == ws; break;
 		case Py_NE: cmp = vs != ws; break;
 		case Py_GT: cmp = vs >  ws; break;