[rygel] core: Handling of 'content-synchronization' dlna cap

[Jens Georg <jensgeorg src gnome org>]

commit b3aa533391278234b9a770ac09eba61c3bf9a4fc
Author: Regis Merlino <regis merlino intel com>
Date:   Tue Dec 4 11:31:31 2012 +0100

    core: Handling of 'content-synchronization' dlna cap
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689603

 src/librygel-core/rygel-description-file.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/librygel-core/rygel-description-file.vala b/src/librygel-core/rygel-description-file.vala
index 2d59d83..1397313 100644
--- a/src/librygel-core/rygel-description-file.vala
+++ b/src/librygel-core/rygel-description-file.vala
@@ -162,6 +162,10 @@ public class Rygel.DescriptionFile : Object {
 
         }
 
+        if (PluginCapabilities.TRACK_CHANGES in capabilities) {
+            flags += "content-synchronization";
+        }
+
         // Set the flags we found; otherwise remove whatever is in the
         // template.
         if (flags.length > 0) {