fw: Dispatch pending interests on new nexhop in multicast strategy

Change-Id: Ifac7b27c9943bd164d0a6579edc68fb959ebe887
Refs: #4931
diff --git a/daemon/fw/multicast-strategy.hpp b/daemon/fw/multicast-strategy.hpp
index b5bfb2d..7ef0080 100644
--- a/daemon/fw/multicast-strategy.hpp
+++ b/daemon/fw/multicast-strategy.hpp
@@ -47,6 +47,9 @@
   afterReceiveInterest(const FaceEndpoint& ingress, const Interest& interest,
                        const shared_ptr<pit::Entry>& pitEntry) override;
 
+  void
+  afterNewNextHop(const fib::NextHop& nextHop, const shared_ptr<pit::Entry>& pitEntry) override;
+
 private:
   RetxSuppressionExponential m_retxSuppression;