[2108] Remove an excess argument

diff --git a/src/lib/datasrc/memory/memory_client.cc b/src/lib/datasrc/memory/memory_client.cc
index 46d2df959ea5f1de413b5392533a47eeb9787215..020d2a5e89910a150da904520de214ae939473e6 100644 (file)
--- a/src/lib/datasrc/memory/memory_client.cc
+++ b/src/lib/datasrc/memory/memory_client.cc
@@ -721,7 +721,7 @@ InMemoryClient::add(const isc::dns::Name& zone_name,
         isc_throw(DataSourceError, "No such zone: " + zone_name.toText());
     }
 
-    return (impl_->add(rrset, zone_name, *result.zone_data, NULL));
+    return (impl_->add(rrset, zone_name, *result.zone_data));
 }
 
 #if 0