Renamed PyObject_GenericGetIter to PyObject_SelfIter
to more accurately describe what the function does.

Suggested by Thomas Wouters.
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 5dbbf13..299f4a6 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -281,7 +281,7 @@
 	0,                                      /* tp_clear */
 	0,                                      /* tp_richcompare */
 	0,                                      /* tp_weaklistoffset */
-	PyObject_GenericGetIter,		/* tp_iter */
+	PyObject_SelfIter,			/* tp_iter */
 	(iternextfunc)rangeiter_next,		/* tp_iternext */
 	0,					/* tp_methods */
 };