[Modify] Polish it

websocket-sharp/Net/HttpUtility.cs

@@ -711,6 +711,7 @@ namespace WebSocketSharp.Net
       }
       else if (requestUri.MaybeUri ()) {
         Uri uri;
+
         if (!Uri.TryCreate (requestUri, UriKind.Absolute, out uri))
           return null;
 
@@ -729,6 +730,7 @@ namespace WebSocketSharp.Net
       }
       else {
         // As the authority form.
+
         host = requestUri;
       }
 
@@ -742,8 +744,8 @@ namespace WebSocketSharp.Net
         host = String.Format ("{0}:{1}", host, secure ? 443 : 80);
 
       var url = String.Format ("{0}://{1}{2}", schm, host, path);
-
       Uri ret;
+
       return Uri.TryCreate (url, UriKind.Absolute, out ret) ? ret : null;
     }