[f-spot] Fix usage of obsolete Mono.Posix.Catalog.

[Ruben Vermeersch <rubenv src gnome org>]

commit 8584adc097c9ad06903cca621caefc87bfc748e7
Author: Ruben Vermeersch <ruben savanne be>
Date:   Thu May 13 00:42:19 2010 +0200

    Fix usage of obsolete Mono.Posix.Catalog.

 src/Core/App.cs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Core/App.cs b/src/Core/App.cs
index a68e072..c2207df 100644
--- a/src/Core/App.cs
+++ b/src/Core/App.cs
@@ -16,7 +16,7 @@ using System.Linq;
 
 using Unique;
 
-using Mono.Posix;
+using Mono.Unix;
 
 using FSpot.Utils;