Bugfix: fix y position of a submenu on an upwards-popping menu.

When transforming from row coords to global coords, don't use a point
in the row's parent's coords.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@804 ed5b42cb-e716-0410-a449-f6a68f950b19

src/as/com/threerings/flex/CommandMenu.as

@@ -370,7 +370,7 @@ public class CommandMenu extends Menu
         }
         if (_upping) {
             var displayObj :DisplayObject = DisplayObject(row);
-            var rowLoc :Point = displayObj.localToGlobal(new Point(row.x, row.y));
+            var rowLoc :Point = displayObj.localToGlobal(new Point());
             submenu.y = rowLoc.y - submenu.getExplicitOrMeasuredHeight() + displayObj.height;
         }