From 6c23bc86832fefeffecc654ee93681efb831a9e2 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sun, 26 Aug 2018 21:36:04 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Net/HttpUtility.cs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/websocket-sharp/Net/HttpUtility.cs b/websocket-sharp/Net/HttpUtility.cs
index 7d4a1ba3..0401a75d 100644
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@@ -56,8 +56,18 @@ namespace WebSocketSharp.Net
     #region Private Fields
 
     private static Dictionary<string, char> _entities;
-    private static char[]                   _hexChars = "0123456789abcdef".ToCharArray ();
-    private static object                   _sync = new object ();
+    private static char[]                   _hexChars;
+    private static object                   _sync;
+
+    #endregion
+
+    #region Static Constructor
+
+    static HttpUtility ()
+    {
+      _hexChars = "0123456789abcdef".ToCharArray ();
+      _sync = new object ();
+    }
 
     #endregion