fw: rename "Interest rebuff" to "Interest reject"

Change-Id: I8275354a3eff6f4785187a8fb00da1d421df8460
diff --git a/daemon/fw/broadcast-strategy.cpp b/daemon/fw/broadcast-strategy.cpp
index 7781377..49d0ef6 100644
--- a/daemon/fw/broadcast-strategy.cpp
+++ b/daemon/fw/broadcast-strategy.cpp
@@ -36,7 +36,7 @@
   }
 
   if (!isPropagated) {
-    this->rebuffPendingInterest(pitEntry);
+    this->rejectPendingInterest(pitEntry);
   }
 }