#include "config.h"
#include <string.h>
+
+#include "gtkbuildable.h"
#include "gtkcontainer.h"
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtksizegroup-private.h"
-#include "gtkbuildable.h"
-
-
+#include "gtkwidgetprivate.h"
struct _GtkSizeGroupPrivate
{