Additions to the L2 monitoring for CFM and SOAM

Change-Id: I2d39dd9e1c4841c87cb0a27d82bb303ffd9c08fc
diff --git a/apps/cfm/src/main/java/org/onosproject/cfm/web/RMepCodec.java b/apps/cfm/src/main/java/org/onosproject/cfm/web/RMepCodec.java
index 7edb204..ff4f775 100644
--- a/apps/cfm/src/main/java/org/onosproject/cfm/web/RMepCodec.java
+++ b/apps/cfm/src/main/java/org/onosproject/cfm/web/RMepCodec.java
@@ -53,10 +53,10 @@
             return null;
         }
 
-        JsonNode vidNode = json.get("rmep");
+        JsonNode rmepNode = json.get("rmep");
 
-        return MepId.valueOf(
-                    nullIsIllegal((short) vidNode.asInt(), "rmep is required"));
+        return MepId.valueOf((short)
+                    nullIsIllegal(rmepNode, "rmep is required").asInt());
 
     }