From 9205a669a75daec11d02a4f2da25f1a48edcd134 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Sat, 10 Feb 2018 16:58:42 +0900
Subject: [PATCH] [Modify] Replace it

---
 websocket-sharp/Ext.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index 16d7805c..94f37eb9 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -641,7 +641,7 @@ namespace WebSocketSharp
         if (c >= 0x7f)
           return false;
 
-        if (_tspecials.Contains (c))
+        if (_tspecials.IndexOf (c) > -1)
           return false;
       }