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-rw-r--r--base/singleton.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/base/singleton.h b/base/singleton.h
index d891c74..ccb2c7d 100644
--- a/base/singleton.h
+++ b/base/singleton.h
@@ -4,6 +4,7 @@
#ifndef BASE_SINGLETON_H_
#define BASE_SINGLETON_H_
+#pragma once
#include "base/at_exit.h"
#include "base/atomicops.h"