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-rw-r--r--net/disk_cache/histogram_macros.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/disk_cache/histogram_macros.h b/net/disk_cache/histogram_macros.h
index 361a9d6..2b8af4b 100644
--- a/net/disk_cache/histogram_macros.h
+++ b/net/disk_cache/histogram_macros.h
@@ -10,6 +10,7 @@
#ifndef NET_DISK_CACHE_HISTOGRAM_MACROS_H_
#define NET_DISK_CACHE_HISTOGRAM_MACROS_H_
+#pragma once
// -----------------------------------------------------------------------------