Use the same coding style in toString() implementations

Change-Id: I116eb140d92b385d36efe120c42cd2fb3efac760
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiUnnumberedAdjacencyIpv4.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiUnnumberedAdjacencyIpv4.java
index 5342f41..1faf01a 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiUnnumberedAdjacencyIpv4.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/PcepNaiUnnumberedAdjacencyIpv4.java
@@ -110,7 +110,7 @@
                 .add("localNodeId", localNodeId)
                 .add("localInterfaceId", localInterfaceId)
                 .add("remoteNodeId", remoteNodeId)
-                .add("remoteInterfaceId:", remoteInterfaceId)
+                .add("remoteInterfaceId", remoteInterfaceId)
                 .toString();
     }
 }