Refactor: reduce to number of column for better readability at SONA

Change-Id: Ic8dd78cfc219272f98f37651f244c3564755960c
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java
index 88b61be..5815b7a 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java
@@ -26,7 +26,8 @@
 /**
  * Describes OpenStack network service event.
  */
-public class OpenstackNetworkEvent extends AbstractEvent<OpenstackNetworkEvent.Type, Network> {
+public class OpenstackNetworkEvent
+        extends AbstractEvent<OpenstackNetworkEvent.Type, Network> {
 
     private final Port port;
     private final Subnet subnet;