[Modify] Polish it

websocket-sharp/WebSocket.cs

@@ -1841,20 +1841,22 @@ namespace WebSocketSharp
           }
 
           try {
-            byte[] cached;
-            if (!cache.TryGetValue (_compression, out cached)) {
-              cached = new WebSocketFrame (
+            byte[] found;
+            if (!cache.TryGetValue (_compression, out found)) {
+              found =
+                new WebSocketFrame (
                   Fin.Final,
                   opcode,
                   data.Compress (_compression),
                   _compression != CompressionMethod.None,
-                false)
+                  false
+                )
                 .ToArray ();
 
-              cache.Add (_compression, cached);
+              cache.Add (_compression, found);
             }
 
-            sendBytes (cached);
+            sendBytes (found);
           }
           catch (Exception ex) {
             _logger.Error (ex.ToString ());