Fixed: (Gazelle) Add `usetoken` only if use FL token is enabled

src/NzbDrone.Core.Test/IndexerTests/GazelleTests/GazelleFixture.cs

@@ -56,7 +56,7 @@ namespace NzbDrone.Core.Test.IndexerTests.GazelleTests
             releaseInfo.Title.Should().Be("Shania Twain - Shania Twain (1993) [FLAC 24bit Lossless] [WEB]");
             releaseInfo.DownloadProtocol.Should().Be(DownloadProtocol.Torrent);
             releaseInfo.DownloadUrl.Should()
-                .Be("http://someurl.ch/torrents.php?action=download&id=1541452&authkey=redacted&torrent_pass=redacted&usetoken=0");
+                .Be("http://someurl.ch/torrents.php?action=download&id=1541452&authkey=redacted&torrent_pass=redacted");
             releaseInfo.InfoUrl.Should().Be("http://someurl.ch/torrents.php?id=106951&torrentid=1541452");
             releaseInfo.CommentUrl.Should().Be(null);
             releaseInfo.Indexer.Should().Be(Subject.Definition.Name);

src/NzbDrone.Core/Indexers/Gazelle/GazelleParser.cs

@@ -99,8 +99,13 @@ namespace NzbDrone.Core.Indexers.Gazelle
                 .AddQueryParam("action", "download")
                 .AddQueryParam("id", torrentId)
                 .AddQueryParam("authkey", _settings.AuthKey)
-                .AddQueryParam("torrent_pass", _settings.PassKey)
-                .AddQueryParam("usetoken", _settings.UseFreeleechToken ? 1 : 0);
+                .AddQueryParam("torrent_pass", _settings.PassKey);
+
+            // Orpheus fails to download if usetoken=0 so we need to only add if we will use one
+            if (_settings.UseFreeleechToken)
+            {
+                url = url.AddQueryParam("usetoken", "1");
+            }
 
             return url.FullUri;
         }