1.1 --- a/src/internet-stack/ipv4-l3-protocol.h	Mon Jul 20 18:12:36 2009 +0600
     1.2 +++ b/src/internet-stack/ipv4-l3-protocol.h	Thu Aug 06 01:55:49 2009 +0600
     1.3 @@ -157,7 +157,7 @@
     1.4    void SetForwarding (uint32_t i, bool val);
     1.5  
     1.6    Ptr<NetDevice> GetNetDevice (uint32_t i);
     1.7 -  Ipv4Netfilter& GetNetfilter();
     1.8 +  Ipv4Netfilter* GetNetfilter();
     1.9  
    1.10  protected:
    1.11