[banshee/gtk3] LargeTrackInfoDisplay: add forgoten Destroy() call in CreateScene()'s mask

[Andrés Aragoneses <aaragoneses src gnome org>]

commit ef7c117e5e347d4aa5162098be917f823d332fad
Author: Andrés G. Aragoneses <knocte gmail com>
Date:   Sat Aug 24 13:56:51 2013 +0200

    LargeTrackInfoDisplay: add forgoten Destroy() call in CreateScene()'s mask

 .../Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs   |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs 
b/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs
index 3b4c8d2..872f537 100644
--- a/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.Gui.Widgets/LargeTrackInfoDisplay.cs
@@ -173,6 +173,7 @@ namespace Banshee.Gui.Widgets
             cr.Rectangle (0, image.Height, image.Width, reflect);
             cr.Pattern = mask;
             cr.Fill ();
+            mask.Destroy ();
 
             ((IDisposable)cr).Dispose ();
             return surface;