[tracker] tracker-needle: Fix double free

[JÃrg Billeter <juergbi src gnome org>]

commit d1fc94e5f4f99047cb3b934b8136e9fe125bff6e
Author: JÃrg Billeter <j bitron ch>
Date:   Mon Jul 23 07:48:39 2012 +0200

    tracker-needle: Fix double free
    
    Fixes GB#680350.

 src/tracker-needle/tracker-tags-view.vala |    8 ++------
 src/tracker-needle/tracker-view.vala      |    2 +-
 2 files changed, 3 insertions(+), 7 deletions(-)
---
diff --git a/src/tracker-needle/tracker-tags-view.vala b/src/tracker-needle/tracker-tags-view.vala
index c2d5c5d..abf4ea2 100644
--- a/src/tracker-needle/tracker-tags-view.vala
+++ b/src/tracker-needle/tracker-tags-view.vala
@@ -87,18 +87,14 @@ public class TrackerTagsView : VBox {
 		TRUE = 1
 	}
 
-	public TrackerTagsView (List<string>? _files) {
+	public TrackerTagsView (owned List<string>? _files) {
 		try {
 			connection = Sparql.Connection.get ();
 		} catch (GLib.Error e) {
 			warning ("Could not get Sparql connection: %s", e.message);
 		}
 
-		if (_files != null) {
-			files = _files.copy ();
-		} else {
-			files = null;
-		}
+		files = (owned) _files;
 
 		cancellable = new Cancellable ();
 
diff --git a/src/tracker-needle/tracker-view.vala b/src/tracker-needle/tracker-view.vala
index 8ffa810..a2626cd 100644
--- a/src/tracker-needle/tracker-view.vala
+++ b/src/tracker-needle/tracker-view.vala
@@ -548,7 +548,7 @@ public class Tracker.View : ScrolledWindow {
 
 		List<string> files = null;
 		files.prepend (uri);
-		VBox vbox = new TrackerTagsView (files);
+		VBox vbox = new TrackerTagsView ((owned) files);
 
 		var content = dialog.get_content_area () as Box;
 		content.pack_start (vbox, true, true, 6);