Fix a typo (probably caused by autocompletion <blush>) that caused a
leak when a class defined a __metaclass__.  This fixes the problem
reported on python-dev by Ping; I dunno if it's the same as SF bug
#489669 (since that mentions Unicode).
diff --git a/Python/ceval.c b/Python/ceval.c
index 76424e1..6def422 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -3554,7 +3554,7 @@
 	if (PyDict_Check(methods))
 		metaclass = PyDict_GetItemString(methods, "__metaclass__");
 	if (metaclass != NULL)
-		Py_INCREF(methods);
+		Py_INCREF(metaclass);
 	else if (PyTuple_Check(bases) && PyTuple_GET_SIZE(bases) > 0) {
 		base = PyTuple_GET_ITEM(bases, 0);
 		metaclass = PyObject_GetAttrString(base, "__class__");