Include logic for cancelling requests for packets.

Change-Id: I8244b8e417dd2b4c6feae57b810fe750635e87a7
diff --git a/apps/fwd/src/main/java/org/onosproject/fwd/ReactiveForwarding.java b/apps/fwd/src/main/java/org/onosproject/fwd/ReactiveForwarding.java
index aa3a24f..1a9d3be 100644
--- a/apps/fwd/src/main/java/org/onosproject/fwd/ReactiveForwarding.java
+++ b/apps/fwd/src/main/java/org/onosproject/fwd/ReactiveForwarding.java
@@ -203,7 +203,7 @@
     }
 
     /**
-     * Request packet in via PacketService.
+     * Cancel request for packet in via PacketService.
      */
     private void withdrawIntercepts() {
         TrafficSelector.Builder selector = DefaultTrafficSelector.builder();