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

Suggested by Thomas Wouters.
diff --git a/Objects/enumobject.c b/Objects/enumobject.c
index cd6ca67..c7e4365 100644
--- a/Objects/enumobject.c
+++ b/Objects/enumobject.c
@@ -110,7 +110,7 @@
 	0,                              /* tp_clear */
 	0,                              /* tp_richcompare */
 	0,                              /* tp_weaklistoffset */
-	PyObject_GenericGetIter,	/* tp_iter */
+	PyObject_SelfIter,		/* tp_iter */
 	(iternextfunc)enum_next,        /* tp_iternext */
 	0,                              /* tp_methods */
 	0,                              /* tp_members */