/* PSPP - a program for statistical analysis.
- Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <config.h>
#endif
-#include <libpspp/abt.h>
-#include <libpspp/cast.h>
+#include "libpspp/abt.h"
#include <stdbool.h>
-#include <libpspp/assertion.h>
+#include "libpspp/cast.h"
+#include "libpspp/assertion.h"
static struct abt_node **down_link (struct abt *, struct abt_node *);
static struct abt_node *skew (struct abt *, struct abt_node *);