fix dox warnings

src/node/ipv4.h

@@ -81,6 +81,7 @@ public:
   /**
    * \param dest destination address
    * \param nextHop address of next hop.
+   * \param interface interface of next hop.
    *
    * add route to host dest through host nextHop 
    * on interface.

src/node/l3-demux.h

@@ -82,7 +82,7 @@ public:
    * to forward packets up the stack to the right protocol.
    * It is also called from InternetNode::GetIpv4 for example.
    */
-  ns3::L3Protocol* Lookup(int);
+  ns3::L3Protocol* Lookup(int protocolNumber);
   /**
    * \param protocol protocol to remove from this demux.
    *

src/node/net-device.h

@@ -201,7 +201,6 @@ class NetDevice {
 
   /**
    * \param p packet sent from below up to Network Device
-   * \param from source mac address of the sender 
    * \returns true if the packet was forwarded successfully,
    *          false otherwise.
    *