Sonar suggestion for a break in a switch

Change-Id: I4a8a0c49d6ffcf6ca0e6cced46af0e6dab2dbae3
diff --git a/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/impl/OpenstackVtapManager.java b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/impl/OpenstackVtapManager.java
index dfa13ee..a789e43 100644
--- a/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/impl/OpenstackVtapManager.java
+++ b/apps/openstackvtap/app/src/main/java/org/onosproject/openstackvtap/impl/OpenstackVtapManager.java
@@ -770,6 +770,7 @@
                     break;
                 case OPENSTACK_NODE_REMOVED:
                     eventExecutor.execute(() -> clearFlowAndGroupByDeviceId(deviceId));
+                    break;
                 default:
                     break;
             }