Restore attribute access so that the following work again:

   dir(xrange(10))
   xrange(10).__getitem__(4)
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 6c9daad..9d0d9cd 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -190,7 +190,7 @@
 	0,				/* tp_hash */
 	0,				/* tp_call */
 	0,				/* tp_str */
-	0,				/* tp_getattro */
+	PyObject_GenericGetAttr,	/* tp_getattro */
 	0,				/* tp_setattro */
 	0,				/* tp_as_buffer */
 	Py_TPFLAGS_DEFAULT,		/* tp_flags */