Use correct response type for addReferences

include/ua_client.h

@@ -188,8 +188,8 @@ static UA_INLINE UA_AddReferencesResponse
 UA_Client_Service_addReferences(UA_Client *client,
                                 const UA_AddReferencesRequest request) {
     UA_AddReferencesResponse response;
-    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_ADDNODESREQUEST],
-                        &response, &UA_TYPES[UA_TYPES_ADDNODESRESPONSE]);
+    __UA_Client_Service(client, &request, &UA_TYPES[UA_TYPES_ADDREFERENCESREQUEST],
+                        &response, &UA_TYPES[UA_TYPES_ADDREFERENCESRESPONSE]);
     return response;
 }