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-rw-r--r--sql/set_var.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sql/set_var.h b/sql/set_var.h
index 10e6e0f9c35..a3ed8e5be15 100644
--- a/sql/set_var.h
+++ b/sql/set_var.h
@@ -1,3 +1,6 @@
+#ifndef SET_VAR_INCLUDED
+#define SET_VAR_INCLUDED
+
/* Copyright (C) 2002-2006 MySQL AB
This program is free software; you can redistribute it and/or modify
@@ -1449,3 +1452,5 @@ void free_key_cache(const char *name, KEY_CACHE *key_cache);
bool process_key_caches(process_key_cache_t func);
void delete_elements(I_List<NAMED_LIST> *list,
void (*free_element)(const char*, uchar*));
+
+#endif /* SET_VAR_INCLUDED */