libopenflow_01.py.ANY_PORT.patch

--- libopenflow_01.py.old	2012-09-20 20:33:10.161595731 -0700
+++ libopenflow_01.py	2012-09-20 20:32:43.373576815 -0700
@@ -2663,7 +2663,7 @@
 
 class ofp_port_stats_request (object):
   def __init__ (self, **kw):
-    self.port_no = 0
+    self.port_no = OFPP_NONE
     initHelper(self, kw)
 
   def _assert (self):