[f-spot: 17/40] protect against NRE

[Stephane Delcroix <sdelcroix src gnome org>]

commit ea1d501aa40bbbe6e296d90e8620c1fe1e4a8c7c
Author: Stephane Delcroix <stephane delcroix org>
Date:   Sun Jun 21 16:45:14 2009 +0200

    protect against NRE

 src/ImageLoader.cs |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/ImageLoader.cs b/src/ImageLoader.cs
index 81caf82..6af9d7b 100644
--- a/src/ImageLoader.cs
+++ b/src/ImageLoader.cs
@@ -87,7 +87,8 @@ namespace FSpot {
 		public override void Dispose ()
 		{
 			is_disposed = true;
-			image_stream.Close ();
+			if (image_stream != null)
+				image_stream.Close ();
 			try {
 				Close ();
 			} catch (GLib.GException) {