Trim multiple occurrences of ending separators in filename

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -45,7 +45,7 @@ namespace NzbDrone.Core.Organizer
                                                                             RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex FileNameCleanupRegex = new Regex(@"([- ._])(\1)+", RegexOptions.Compiled);
-        private static readonly Regex TrimSeparatorsRegex = new Regex(@"[- ._]$", RegexOptions.Compiled);
+        private static readonly Regex TrimSeparatorsRegex = new Regex(@"[- ._]+$", RegexOptions.Compiled);
 
         private static readonly Regex ScenifyRemoveChars = new Regex(@"(?<=\s)(,|<|>|\/|\\|;|:|'|""|\||`|’|~|!|\?|@|$|%|^|\*|-|_|=){1}(?=\s)|('|`|’|:|\?|,)(?=(?:(?:s|m|t|ve|ll|d|re)\s)|\s|$)|(\(|\)|\[|\]|\{|\})", RegexOptions.Compiled | RegexOptions.IgnoreCase);
         private static readonly Regex ScenifyReplaceChars = new Regex(@"[\/]", RegexOptions.Compiled | RegexOptions.IgnoreCase);