[rygel] core: Make use of reference passing in XBoxHacks API

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 3454f88ef0ab03cd0ad1c35db97c273aac21f20a
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Mar 24 18:20:18 2010 +0200

    core: Make use of reference passing in XBoxHacks API

 src/rygel/rygel-search.vala     |    3 +--
 src/rygel/rygel-xbox-hacks.vala |    6 ++----
 2 files changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/src/rygel/rygel-search.vala b/src/rygel/rygel-search.vala
index 220eb93..bd21b8a 100644
--- a/src/rygel/rygel-search.vala
+++ b/src/rygel/rygel-search.vala
@@ -96,8 +96,7 @@ internal class Rygel.Search: GLib.Object, Rygel.StateMachine {
             debug ("Executing search request: %s", this.search_criteria);
 
             if (this.xbox_hacks != null) {
-                this.container_id = this.xbox_hacks.translate_container_id (
-                                        this.container_id);
+                this.xbox_hacks.translate_container_id (ref this.container_id);
             }
 
             var container = yield this.fetch_container ();
diff --git a/src/rygel/rygel-xbox-hacks.vala b/src/rygel/rygel-xbox-hacks.vala
index 6ec251b..0662ed1 100644
--- a/src/rygel/rygel-xbox-hacks.vala
+++ b/src/rygel/rygel-xbox-hacks.vala
@@ -34,15 +34,13 @@ internal class Rygel.XBoxHacks : GLib.Object {
         }
     }
 
-    public string translate_container_id (string container_id) {
+    public void translate_container_id (ref string container_id) {
         if (container_id == "1" ||
             container_id == "4" ||
             container_id == "5" ||
             container_id == "6" ||
             container_id == "7") {
-            return "0";
-        } else {
-            return container_id;
+            container_id = "0";
         }
     }