[f-spot] Add debug output for BGO#624775.

[Ruben Vermeersch <rubenv src gnome org>]

commit 8d8965bf9e6aec022252fb4c975a71e56637a241
Author: Ruben Vermeersch <ruben savanne be>
Date:   Thu Jul 22 16:36:28 2010 +0200

    Add debug output for BGO#624775.

 src/RotateCommand.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/RotateCommand.cs b/src/RotateCommand.cs
index f4628fd..5824950 100644
--- a/src/RotateCommand.cs
+++ b/src/RotateCommand.cs
@@ -70,6 +70,7 @@ namespace FSpot {
                     metadata.Save ();
                 }
             } catch (Exception e) {
+                Log.DebugException (e);
                 throw new RotateException (Catalog.GetString ("Unable to rotate this type of photo"), original_path);
             }
 		}