MCastFwdReviewFix

Change-Id: I2d6ae7d19bef15fbffa6683ad74301804bcf6328
diff --git a/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastForwarding.java b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastForwarding.java
index f5bd1e0..2b9a2a5 100644
--- a/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastForwarding.java
+++ b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastForwarding.java
@@ -168,7 +168,7 @@
              * ingress port would be a specific device.
              */
             McastRoute entry = mrib.findBestMatch(spfx, gpfx);
-            if (entry == null || entry.getSaddr().equals(IPv4.fromIPv4Address(0))) {
+            if (entry == null || entry.getSaddr().address().isZero()) {
 
                 /*
                  * Create an entry that we can fast drop.