Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpSpecObjHeader.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpSpecObjHeader.java
index 70cd746..132ff86 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpSpecObjHeader.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepRsvpSpecObjHeader.java
@@ -147,7 +147,10 @@
 
     @Override
     public String toString() {
-        return MoreObjects.toStringHelper(getClass()).add("ObjectClassNum: ", objClassNum)
-                .add("ObjectCType: ", objClassType).add("ObjectLength: ", objLen).toString();
+        return MoreObjects.toStringHelper(getClass())
+                .add("ObjectClassNum: ", objClassNum)
+                .add("ObjectCType: ", objClassType)
+                .add("ObjectLength: ", objLen)
+                .toString();
     }
 }