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-rw-r--r--sql/sql_udf.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_udf.h b/sql/sql_udf.h
index 4b8b492698e..95cb167869e 100644
--- a/sql/sql_udf.h
+++ b/sql/sql_udf.h
@@ -1,3 +1,6 @@
+#ifndef SQL_UDF_INCLUDED
+#define SQL_UDF_INCLUDED
+
/* Copyright (C) 2000-2001, 2003-2006 MySQL AB
This program is free software; you can redistribute it and/or modify
@@ -140,3 +143,4 @@ void free_udf(udf_func *udf);
int mysql_create_function(THD *thd,udf_func *udf);
int mysql_drop_function(THD *thd,const LEX_STRING *name);
#endif
+#endif /* SQL_UDF_INCLUDED */