Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java
index abeb1bb..b8d33e8 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepLabelObjectVer1.java
@@ -361,7 +361,10 @@
 
     @Override
     public String toString() {
-        return MoreObjects.toStringHelper(getClass()).add("OFlag", bOFlag).add("label", label)
-                .add("OptionalTlvList", llOptionalTlv).toString();
+        return MoreObjects.toStringHelper(getClass())
+                .add("OFlag", bOFlag)
+                .add("label", label)
+                .add("OptionalTlvList", llOptionalTlv)
+                .toString();
     }
 }