fw: add override specifier to Strategy triggers

refs #2281

Change-Id: I5357ac6a93260492900d24c8955fdd7397ef2d27
diff --git a/daemon/fw/ncc-strategy.hpp b/daemon/fw/ncc-strategy.hpp
index fa27cd9..72f39e4 100644
--- a/daemon/fw/ncc-strategy.hpp
+++ b/daemon/fw/ncc-strategy.hpp
@@ -45,11 +45,11 @@
   afterReceiveInterest(const Face& inFace,
                        const Interest& interest,
                        shared_ptr<fib::Entry> fibEntry,
-                       shared_ptr<pit::Entry> pitEntry);
+                       shared_ptr<pit::Entry> pitEntry) DECL_OVERRIDE;
 
   virtual void
   beforeSatisfyInterest(shared_ptr<pit::Entry> pitEntry,
-                        const Face& inFace, const Data& data);
+                        const Face& inFace, const Data& data) DECL_OVERRIDE;
 
 protected:
   /// StrategyInfo on measurements::Entry