Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv6AdjacencyVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv6AdjacencyVer1.java
index 5205961..f8ea786 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv6AdjacencyVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFecObjectIPv6AdjacencyVer1.java
@@ -241,7 +241,9 @@
 
     @Override
     public String toString() {
-        return MoreObjects.toStringHelper(getClass()).add("localIPv6Address", localIPv6Address)
-                .add("remoteIPv6Address: ", remoteIPv6Address).toString();
+        return MoreObjects.toStringHelper(getClass())
+                .add("localIPv6Address", localIPv6Address)
+                .add("remoteIPv6Address: ", remoteIPv6Address)
+                .toString();
     }
 }