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-rw-r--r--base/spin_wait.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/base/spin_wait.h b/base/spin_wait.h
index b1e2045..34484d2 100644
--- a/base/spin_wait.h
+++ b/base/spin_wait.h
@@ -14,6 +14,7 @@
#ifndef BASE_SPIN_WAIT_H__
#define BASE_SPIN_WAIT_H__
+#pragma once
#include "base/platform_thread.h"
#include "base/time.h"