[rygel] core: Don't advertize search by '@refID'

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit caa4e78c1af790f3c2735e828fa2ecc4f19dd818
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Fri Aug 20 16:38:18 2010 +0300

    core: Don't advertize search by '@refID'
    
    Don't advertize support for search by '@refID' as we do not really support
    and use it at all. Fixes DLNA CTT test case 7.3.66.2.

 src/rygel/rygel-relational-expression.vala |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/src/rygel/rygel-relational-expression.vala b/src/rygel/rygel-relational-expression.vala
index a14b1e6..2e76f77 100644
--- a/src/rygel/rygel-relational-expression.vala
+++ b/src/rygel/rygel-relational-expression.vala
@@ -26,7 +26,7 @@ using GUPnP;
 // relational operator.
 public class Rygel.RelationalExpression :
              Rygel.SearchExpression<SearchCriteriaOp,string,string> {
-    internal const string CAPS = "@id,@parentID,@refID,upnp:class," +
+    internal const string CAPS = "@id,@parentID,upnp:class," +
                                  "dc:title,dc:creator,upnp:createClass," +
                                  "res,res protocolInfo";
 
@@ -36,8 +36,6 @@ public class Rygel.RelationalExpression :
             return this.compare_string (media_object.id);
         case "@parentID":
             return this.compare_string (media_object.parent.id);
-        case "@refID":
-            return false; // We don't have refIDs yet
         case "upnp:class":
             return this.compare_string (media_object.upnp_class);
         case "dc:title":