Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepRroObjectVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepRroObjectVer1.java
index 4aff0db..f510e39 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepRroObjectVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepRroObjectVer1.java
@@ -338,6 +338,8 @@
 
     @Override
     public String toString() {
-        return MoreObjects.toStringHelper(getClass()).add("SubObjects", llSubObjects).toString();
+        return MoreObjects.toStringHelper(getClass())
+                .add("SubObjects", llSubObjects)
+                .toString();
     }
 }