Fix more warnings

Emby.Server.Implementations/Library/PathExtensions.cs

@@ -3,6 +3,9 @@ using System.Text.RegularExpressions;
 
 namespace Emby.Server.Implementations.Library
 {
+    /// <summary>
+    /// Class providing extension methods for working with paths.
+    /// </summary>
     public static class PathExtensions
     {
         /// <summary>
@@ -32,6 +35,7 @@ namespace Emby.Server.Implementations.Library
                 int end = str.IndexOf(']', start);
                 return str.Substring(start, end - start);
             }
+
             // for imdbid we also accept pattern matching
             if (string.Equals(attrib, "imdbid", StringComparison.OrdinalIgnoreCase))
             {