[f-spot] Switch to bilinear scaling for thumbnails.

[Ruben Vermeersch <rubenv src gnome org>]

commit bc05ab49419e7e9fc86fa41ac2ea9fc37bf580cd
Author: Ruben Vermeersch <ruben savanne be>
Date:   Thu Jun 17 14:33:29 2010 +0200

    Switch to bilinear scaling for thumbnails.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=621881

 src/Utils/XdgThumbnailSpec.cs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Utils/XdgThumbnailSpec.cs b/src/Utils/XdgThumbnailSpec.cs
index b31a385..93a5a91 100644
--- a/src/Utils/XdgThumbnailSpec.cs
+++ b/src/Utils/XdgThumbnailSpec.cs
@@ -76,7 +76,7 @@ namespace FSpot.Utils
             double scale = Math.Max (1.0, Math.Max (scale_x, scale_y));
             int target_x = (int) (pixbuf.Width / scale);
             int target_y = (int) (pixbuf.Height / scale);
-            var thumb_pixbuf = pixbuf.ScaleSimple (target_x, target_y, InterpType.Nearest);
+            var thumb_pixbuf = pixbuf.ScaleSimple (target_x, target_y, InterpType.Bilinear);
             pixbuf.Dispose ();
 
             var file = GLib.FileFactory.NewForUri (uri);