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-rw-r--r--sql/tzfile.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/tzfile.h b/sql/tzfile.h
index 1ff82d62329..1c1800ba1ed 100644
--- a/sql/tzfile.h
+++ b/sql/tzfile.h
@@ -1,3 +1,6 @@
+#ifndef TZFILE_INCLUDED
+#define TZFILE_INCLUDED
+
/* Copyright (C) 2004 MySQL AB
This program is free software; you can redistribute it and/or modify
@@ -134,3 +137,5 @@ struct tzhead {
*/
#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
+
+#endif