[rygel] tracker: CategoryContainer should be abstract

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit fd18bbe8245136d20dd7a3b9e3fb950b42a8428e
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Oct 13 20:07:16 2010 +0300

    tracker: CategoryContainer should be abstract

 .../tracker/rygel-tracker-category-container.vala  |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/tracker/rygel-tracker-category-container.vala b/src/plugins/tracker/rygel-tracker-category-container.vala
index 1be01b7..42ca518 100644
--- a/src/plugins/tracker/rygel-tracker-category-container.vala
+++ b/src/plugins/tracker/rygel-tracker-category-container.vala
@@ -26,7 +26,7 @@ using Gee;
 /**
  * Container listing content hierarchy for a specific category.
  */
-public class Rygel.Tracker.CategoryContainer : Rygel.SimpleContainer {
+public abstract class Rygel.Tracker.CategoryContainer : Rygel.SimpleContainer {
     public ItemFactory item_factory;
 
     public CategoryContainer (string         id,