Index: trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java	(revision 13104)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java	(revision 13105)
@@ -515,5 +515,5 @@
          * @see OsmPrimitive#getUniqueId()
          */
-        public static long parent_osm_id(final Environment env) { // NO_UCD (unused code)
+        public static Long parent_osm_id(final Environment env) { // NO_UCD (unused code)
             return env.parent == null ? null : env.parent.getUniqueId();
         }