Make the floodlight dispatch the barrier-reply event

src/main/java/net/floodlightcontroller/core/internal/OFChannelHandler.java

@@ -886,6 +886,10 @@ class OFChannelHandler
                                       OFFlowRemoved m) throws IOException {
                 h.dispatchMessage(m);
             }
+            @Override
+			void processOFBarrierReply(OFChannelHandler h, OFBarrierReply m) throws IOException{
+                h.dispatchMessage(m);
+ 			}
         },
 
         /**