[banshee] Fix GLib.MissingPtrCtorException (bgo#625760)

[Aaron Bockover <abock src gnome org>]

commit 8cfbadba1853fdf29f5d2f68f55974b866e063b2
Author: David Nielsen <gnomeuser gmail com>
Date:   Sun Aug 1 15:35:40 2010 -0400

    Fix GLib.MissingPtrCtorException (bgo#625760)
    
    Signed-off-by: Aaron Bockover <abockover novell com>

 .../Banshee.Sources.Gui/SourceView.cs              |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView.cs b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView.cs
index fced8ad..b7da48a 100644
--- a/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.Sources.Gui/SourceView.cs
@@ -67,6 +67,8 @@ namespace Banshee.Sources.Gui
         private bool editing_row = false;
         private bool need_resort = false;
 
+        protected SourceView (IntPtr ptr) : base (ptr) {}
+
         public SourceView ()
         {
             BuildColumns ();