f-spot crash when i browse mi photos

["José Damián Garrido" <delhaberno gmail com>]

Hi

A few days ago I had trouble with f-spot, while reviewing photos of months or years after the crashes.
f-run spot with me debug and this result returns

[Debug 12:05:57.471] open uri = file:///home/jgarrido/Photos/2007/05/23/dsc00848.jpg
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.NullReferenceException: Object reference not set to an instance of an object
  at FSpot.Utils.UriUtils.UriToStringEscaped (System.Uri uri) [0x00000] 
  at FSpot.ThumbnailGenerator.ThumbnailPath (System.Uri uri) [0x00000] 
  at FSpot.Widgets.IconView.Preload (Rectangle area, Boolean back) [0x00000] 
  at FSpot.Widgets.IconView.PreloadRegion (Gdk.Region region, Int32 step) [0x00000] 
  at FSpot.Widgets.IconView.Scroll () [0x00000] 
  at FSpot.Widgets.IconView.HandleAdjustmentValueChanged (System.Object sender, System.EventArgs args) [0x00000] 
  at GLib.Signal.voidObjectCallback (IntPtr handle, IntPtr data) [0x00000] 
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at GLib.Signal.voidObjectCallback(IntPtr handle, IntPtr data)
   at GLib.Signal.voidObjectCallback(IntPtr , IntPtr )
   at Gtk.Adjustment.gtk_adjustment_value_changed(IntPtr )
   at Gtk.Adjustment.gtk_adjustment_value_changed(IntPtr )
   at Gtk.Adjustment.ChangeValue()
   at FSpot.Widgets.IconView.ScrollTo(Int32 cell_num, Boolean center)
   at FSpot.Widgets.IconView.ScrollTo(Int32 cell_num)
   at MainWindow.JumpTo(Int32 index)
   at MainWindow.HandleAdaptorGlassSet(FSpot.GroupAdaptor sender, Int32 index)
   at FSpot.TimeAdaptor.SetGlass(Int32 min)
   at FSpot.GroupSelector+Glass.PositionChanged()
   at FSpot.GroupSelector+Manipulator.SetPosition(Int32 position, Boolean update)
   at FSpot.GroupSelector+Manipulator.SetPosition(Int32 position)
   at FSpot.GroupSelector.OnButtonPressEvent(Gdk.EventButton args)
   at Gtk.Widget.buttonpressevent_cb(IntPtr widget, IntPtr evnt)
   at Gtk.Widget.buttonpressevent_cb(IntPtr , IntPtr )
   at Gtk.Application.gtk_main()
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Gnome.Program.Run()
   at FSpot.Driver.Main(System.String[] args)
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:04.999] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.000] Finalizer called on FSpot.Category. Should be Disposed
[Debug 12:06:05.002] Finalizer called on FSpot.Utils.DisposableCache`2[System.String,Gdk.Pixbuf]. Should be Disposed
[Debug 12:06:05.007] Finalizer called on FSpot.Utils.DisposableCache`2[System.String,Gdk.Pixbuf]. Should be Disposed
[Debug 12:06:05.009] Finalizer called on FSpot.Tag. Should be Disposed
[Debug 12:06:05.012] Finalizer called on FSpot.ThumbnailCache. Should be Disposed
[Debug 12:06:05.012] Finalizer called on FSpot.Widgets.Filmstrip. Should be Disposed