[Falcon] fixes for Sonar Critical bugs

Change-Id: I0a63578727693a2517f3002bd4f4c391b6f44aea
diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
index b37cb42..7b1828d 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
@@ -488,7 +488,7 @@
                                               + " tell us which one.");
                         }
                     }
-
+                    break;
                 default:
                     log.debug("Unhandled message type: {}", msg.getType());
             }