clients: add response

Change-Id: Ia906b23b52f29483aacb30dae989db1b1e98a85d
diff --git a/src/ndns-tlv.hpp b/src/ndns-tlv.hpp
index 7c48920..3575ab0 100644
--- a/src/ndns-tlv.hpp
+++ b/src/ndns-tlv.hpp
@@ -31,8 +31,8 @@
  */
 enum {
   NdnsType = 180, ///< Detailed Types are defined in NdnsType in ndns-enum.hpp
-  RrType = 190,
-  RrDataType = 191
+  Rr = 190,
+  RrData = 191
 };
 
 } // namespace tlv