--- a/src/routing/list-routing/ipv4-list-routing.h	Tue Dec 15 18:28:01 2009 -0800
+++ b/src/routing/list-routing/ipv4-list-routing.h	Tue Dec 15 20:41:36 2009 -0800
@@ -75,7 +75,7 @@
   virtual Ptr<Ipv4RoutingProtocol> GetRoutingProtocol (uint32_t index, int16_t& priority) const;
 
   // Below are from Ipv4RoutingProtocol
-  virtual Ptr<Ipv4Route> RouteOutput (Ptr<Packet> p, const Ipv4Header &header, uint32_t oif, Socket::SocketErrno &sockerr);
+  virtual Ptr<Ipv4Route> RouteOutput (Ptr<Packet> p, const Ipv4Header &header, Ptr<NetDevice> oif, Socket::SocketErrno &sockerr);
 
   virtual bool RouteInput (Ptr<const Packet> p, const Ipv4Header &header, Ptr<const NetDevice> idev,
                            UnicastForwardCallback ucb, MulticastForwardCallback mcb,