[banshee] Reset the stream position when file is encrypted

[Aaron Bockover <abock src gnome org>]

commit 43031b1aee6d9d5c4a70109c44b593be46d5ad60
Author: Aaron Bockover <abockover novell com>
Date:   Tue Aug 3 16:39:55 2010 -0400

    Reset the stream position when file is encrypted
    
    Fixes a regression introduced by the previous commit supporting
    unencrypted amz files.

 .../Banshee.AmazonMp3/AmzXspfPlaylist.cs           |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/Extensions/Banshee.AmazonMp3/Banshee.AmazonMp3/AmzXspfPlaylist.cs b/src/Extensions/Banshee.AmazonMp3/Banshee.AmazonMp3/AmzXspfPlaylist.cs
index d0d89ab..f229bdb 100644
--- a/src/Extensions/Banshee.AmazonMp3/Banshee.AmazonMp3/AmzXspfPlaylist.cs
+++ b/src/Extensions/Banshee.AmazonMp3/Banshee.AmazonMp3/AmzXspfPlaylist.cs
@@ -84,6 +84,8 @@ namespace Banshee.AmazonMp3
                 return;
             }
 
+            stream.Seek (0, SeekOrigin.Begin);
+
             var crypto_service = new DESCryptoServiceProvider () {
                 Key = amz_key,
                 IV = amz_iv,