revised the framerate fix

MediaBrowser.Controller/Providers/MediaInfo/BaseFFProbeProvider.cs

@@ -268,7 +268,10 @@ namespace MediaBrowser.Controller.Providers.MediaInfo
                 {
                     result = float.Parse(parts[0])/float.Parse(parts[1]);
                 }
+                else
+                {
                     result = float.Parse(parts[0]);
+                }
 
                 return float.IsNaN(result) ? (float?)null : result;
             }