SONAR Suggestion - use .equals() on strings, not '=='

Change-Id: I2dfca0b67c0f25abadf6c9a9b5317c9e90c6d297
diff --git a/apps/simplefabric/src/main/java/org/onosproject/simplefabric/SimpleFabricL2Forward.java b/apps/simplefabric/src/main/java/org/onosproject/simplefabric/SimpleFabricL2Forward.java
index 41f0253..0839cf9 100644
--- a/apps/simplefabric/src/main/java/org/onosproject/simplefabric/SimpleFabricL2Forward.java
+++ b/apps/simplefabric/src/main/java/org/onosproject/simplefabric/SimpleFabricL2Forward.java
@@ -384,7 +384,7 @@
 
     // Dump command handler
     private void dump(String subject, PrintStream out) {
-        if (subject == "intents") {
+        if ("intents".equals(subject)) {
             out.println("L2Forward Broadcast Intents:\n");
             for (SinglePointToMultiPointIntent intent: bctIntentsMap.values()) {
                 out.println("    " + intent.key().toString()