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-rw-r--r--include/my_atomic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/my_atomic.h b/include/my_atomic.h
index 03f7d081981..f5da6e6a0d9 100644
--- a/include/my_atomic.h
+++ b/include/my_atomic.h
@@ -1,3 +1,6 @@
+#ifndef MY_ATOMIC_INCLUDED
+#define MY_ATOMIC_INCLUDED
+
/* Copyright (C) 2006 MySQL AB
This program is free software; you can redistribute it and/or modify
@@ -150,3 +153,4 @@ extern int my_atomic_initialize();
#endif
+#endif /* MY_ATOMIC_INCLUDED */