Adj-In RIB code fix

Change-Id: Ice870ab1aff068cc27a5337a3f4ff7090a53d84d
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV6.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV6.java
old mode 100755
new mode 100644
index 754f838..648fd56
--- a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV6.java
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpAttrRouterIdV6.java
@@ -134,4 +134,10 @@
         return MoreObjects.toStringHelper(getClass()).omitNullValues()
                 .add("ip6RouterId", ip6RouterId).toString();
     }
+
+    @Override
+    public int compareTo(Object o) {
+        // TODO Auto-generated method stub
+        return 0;
+    }
 }