[rygel] Clear the existing service list first

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit fbf778d28959cf351fc500aea1780b5c6c669384
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Thu May 28 16:54:52 2009 +0300

    Clear the existing service list first
    
    Services were getting accumulated in the description files each time
    rygel was started. This change is to fix that.
---
 src/rygel/rygel-media-server-factory.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/rygel/rygel-media-server-factory.vala b/src/rygel/rygel-media-server-factory.vala
index 9c105b1..9f7053d 100644
--- a/src/rygel/rygel-media-server-factory.vala
+++ b/src/rygel/rygel-media-server-factory.vala
@@ -200,7 +200,10 @@ public class Rygel.MediaServerFactory {
     private void add_service_to_desc (Xml.Node    *service_list_node,
                                       string       plugin_name,
                                       ResourceInfo resource_info) {
-        // Create the service node
+        // Clear the existing service list first
+        service_list_node->set_content ("");
+
+        // Now create the service node
         Xml.Node *service_node = service_list_node->new_child (null, "service");
 
         service_node->new_child (null, "serviceType", resource_info.upnp_type);