1.1 --- a/src/internet-stack/nsc-tcp-socket-impl.h	Thu Oct 23 15:59:48 2008 -0700
     1.2 +++ b/src/internet-stack/nsc-tcp-socket-impl.h	Wed Jul 15 18:46:14 2009 +0200
     1.3 @@ -32,6 +32,7 @@
     1.4  #include "sequence-number.h"
     1.5  #include "rtt-estimator.h"
     1.6  
     1.7 +class INetStreamSocket;
     1.8  namespace ns3 {
     1.9  
    1.10  class Ipv4EndPoint;