Fold the two patches for bu6 69 together, building on the bug 65 patch

src/node/ipv4.cc

@@ -74,6 +74,11 @@ GetIpv4RouteToDestination (Ptr<Node> node, Ipv4Route& route,
           route = tempRoute;
           return true;
         }
+      else if ( tempRoute.IsDefault () )
+        {
+          route = tempRoute;
+          return true;
+        }
     }
   return false;
 }

src/node/socket.h

@@ -58,6 +58,7 @@ public:
     ERROR_AFNOSUPPORT,
     ERROR_INVAL,
     ERROR_BADF,
+    ERROR_NOROUTETOHOST,
     SOCKET_ERRNO_LAST
   };