docompare(): Another reasonable optimization from Jonathan Hogg for the

explicit comparison function case:  use PyObject_Call instead of
PyEval_CallObject.  Same thing in context, but gives a 2.4% overall
speedup when sorting a list of ints via list.sort(__builtin__.cmp).

Misc/ACKS

@@ -213,6 +213,7 @@ Joerg-Cyril Hoehle
 Gregor Hoffleit
 Chris Hoffman
 Albert Hofkamp
+Jonathan Hogg
 Gerrit Holl
 Philip Homburg
 Naofumi Honda

Objects/listobject.c

@@ -780,7 +780,7 @@ docompare(PyObject *x, PyObject *y, PyObject *compare)
 	Py_INCREF(y);
 	PyTuple_SET_ITEM(args, 0, x);
 	PyTuple_SET_ITEM(args, 1, y);
-	res = PyEval_CallObject(compare, args);
+	res = PyObject_Call(compare, args, NULL);
 	Py_DECREF(args);
 	if (res == NULL)
 		return CMPERROR;