[f-spot] Work around broken mime-type detection.

[Ruben Vermeersch <rubenv src gnome org>]

commit 7f902496f8fd6a93ff7d66cfdf006edfd70d187e
Author: Ruben Vermeersch <ruben savanne be>
Date:   Thu Jul 22 15:16:21 2010 +0200

    Work around broken mime-type detection.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=624781

 src/Utils/Metadata.cs |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/src/Utils/Metadata.cs b/src/Utils/Metadata.cs
index 325f311..09489ec 100644
--- a/src/Utils/Metadata.cs
+++ b/src/Utils/Metadata.cs
@@ -14,6 +14,11 @@ namespace FSpot.Utils
             var info = gfile.QueryInfo ("standard::content-type", FileQueryInfoFlags.None, null);
             var mime = info.ContentType;
 
+            if (mime.StartsWith ("application/x-extension-")) {
+                // Works around broken metadata detection - https://bugzilla.gnome.org/show_bug.cgi?id=624781
+                mime = String.Format ("taglib/{0}", mime.Substring (24));
+            }
+
             // Parse file
             var res = new GIOTagLibFileAbstraction () { Uri = uri };
             var sidecar_uri = uri.ReplaceExtension (".xmp");