fw: eliminate fibEntry in Strategy API

Strategy::lookupFib can be used to obtain FIB entry.
FIB lookup is skipped when strategy does not need it.

refs #3205

Change-Id: Icba67229cbc261d9def44ffa91461ea4b09982b2
diff --git a/daemon/fw/broadcast-strategy.cpp b/daemon/fw/broadcast-strategy.cpp
index 3c40186..3a3249c 100644
--- a/daemon/fw/broadcast-strategy.cpp
+++ b/daemon/fw/broadcast-strategy.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2015,  Regents of the University of California,
+ * Copyright (c) 2014-2016,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -42,7 +42,6 @@
 void
 BroadcastStrategy::afterReceiveInterest(const Face& inFace,
                    const Interest& interest,
-                   shared_ptr<fib::Entry> fibEntry,
                    shared_ptr<pit::Entry> pitEntry)
 {
   if (m_isFirstUse) {
@@ -51,7 +50,7 @@
     m_isFirstUse = false;
   }
 
-  this->MulticastStrategy::afterReceiveInterest(inFace, interest, fibEntry, pitEntry);
+  this->MulticastStrategy::afterReceiveInterest(inFace, interest, pitEntry);
 }
 
 } // namespace fw