Fixed: NzbClub nzb URL.

NzbDrone.Core/Providers/Indexer/NzbClub.cs

@@ -43,7 +43,7 @@ public override string Name
 
         protected override string NzbDownloadUrl(SyndicationItem item)
         {
-            return item.Links[1].Uri.ToString();
+            return item.Links[0].Uri.ToString();
         }
 
         protected override IList<string> GetEpisodeSearchUrls(string seriesTitle, int seasonNumber, int episodeNumber)