Fix bug of compute extents of sh_stext. Full extents sh_stext_t::extents should be initialized with extents of first style block if existed. But, it was not. So, it is fixed, now.

#ifndef __MB_H_
#define __MB_H_

#include "mb_types.h"
#include "mb_redraw_man.h"
#include "mb_X_supp.h"
#include "mb_animate.h"
#include "mb_shapes.h"

#endif /* __MB_H_ */