[pdfmod] Fix issue with remembering last directory

[Gabriel Burt <gburt src gnome org>]

commit 35d6c770abee0c777d8c1fdd8dc2ed76f9f10561
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Tue Mar 30 13:37:18 2010 -0700

    Fix issue with remembering last directory

 src/PdfMod/Core/Configuration.cs |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/PdfMod/Core/Configuration.cs b/src/PdfMod/Core/Configuration.cs
index 66539a9..b59e3f1 100644
--- a/src/PdfMod/Core/Configuration.cs
+++ b/src/PdfMod/Core/Configuration.cs
@@ -48,7 +48,13 @@ namespace PdfMod.Core
 
         public string LastOpenFolder {
             get { return Get<string> ("last_folder", System.Environment.GetFolderPath (System.Environment.SpecialFolder.Desktop)); }
-            set { Set<string> ("last_folder", value); }
+            set {
+                if (value != null && value.StartsWith ("file:/") && !value.StartsWith ("file://")) {
+                    value = "file://" + value.Substring (6);
+                }
+
+                Set<string> ("last_folder", value);
+            }
         }
     }
 }