[banshee] [BansheeDialog] add a default constructor

[Aaron Bockover <abock src gnome org>]

commit 872f5eb4090e07b884565d6388b4785a73138951
Author: Aaron Bockover <abockover novell com>
Date:   Sun Feb 7 16:35:08 2010 -0500

    [BansheeDialog] add a default constructor

 .../Banshee.Gui.Dialogs/BansheeDialog.cs           |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/Core/Banshee.ThickClient/Banshee.Gui.Dialogs/BansheeDialog.cs b/src/Core/Banshee.ThickClient/Banshee.Gui.Dialogs/BansheeDialog.cs
index 1aca296..97e055c 100644
--- a/src/Core/Banshee.ThickClient/Banshee.Gui.Dialogs/BansheeDialog.cs
+++ b/src/Core/Banshee.ThickClient/Banshee.Gui.Dialogs/BansheeDialog.cs
@@ -41,13 +41,17 @@ namespace Banshee.Gui.Dialogs
             get { return accel_group; }
         }
 
+        public BansheeDialog () : this (null, null)
+        {
+        }
+
         public BansheeDialog (string title) : this (title, null)
         {
         }
 
         public BansheeDialog (string title, Window parent) : base ()
         {
-            Title = title;
+            Title = title ?? String.Empty;
             BorderWidth = 12;
             Visible = false;
             HasSeparator = false;