Missing imports from fix gist

Author: AbandonedCart

Jellyfin.Plugin.MediaSegmentsApi/Controllers/MediaSegmentsApiController.cs

@@ -1,7 +1,9 @@
 using System;
 using System.ComponentModel.DataAnnotations;
+using System.Globalization;
 using System.Net.Mime;
 using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Library;