From b9cb0f26fdbdc876f603ded19224aaffdcd307b7 Mon Sep 17 00:00:00 2001
From: dzhwinter <dzhwinter@gmail.com>
Date: Wed, 7 Jun 2017 13:52:28 +0800
Subject: [PATCH] "update marco"

---
 paddle/optimizer/sgd_optimizer.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/paddle/optimizer/sgd_optimizer.h b/paddle/optimizer/sgd_optimizer.h
index 1bb97349c7c..10b46db3868 100644
--- a/paddle/optimizer/sgd_optimizer.h
+++ b/paddle/optimizer/sgd_optimizer.h
@@ -1,5 +1,4 @@
-#ifndef PADDLE_SGD_OPTIMIZER_H_
-#define PADDLE_SGD_OPTIMIZER_H_
+#pragma once
 
 #include "parameter_optimizer.h"
 
@@ -31,5 +30,3 @@ private:
 
 }  // namespace optimizer
 }  // namespace paddle
-
-#endif
-- 
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