need normalized timestamp as well, although this is a SINGLE-VALUE attr

servers/slapd/overlays/dds.c

@@ -805,6 +805,7 @@ done:;
 
 			tmpmod->sml_op = LDAP_MOD_REPLACE;
 			value_add_one( &tmpmod->sml_values, &bv );
+			value_add_one( &tmpmod->sml_nvalues, &bv );
 		}
 	}