2003-04-22  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_streambuf.h (_S_pback_size, _M_pback,
	_M_pback_cur_save, _M_pback_end_save, _M_pback_init,
	_M_pback_create(), _M_pback_destroy()): Move to basic_filebuf.
	(basic_streambuf::basic_streambuf()): Adjust.
	* include/std/std_fstream.h (_S_pback_size, _M_pback,
	_M_pback_cur_save, _M_pback_end_save, _M_pback_init,
	_M_pback_create(), _M_pback_destroy()): Moved here
	from basic_streambuf.
	* include/bits/fstream.tcc (basic_filebuf::basic_filebuf()):
	Adjust.
	(basic_filebuf::_S_pback_size): Add declaration.
	* include/bits/streambuf.tcc (basic_streambuf::_S_pback_size):
	Remove declaration.

From-SVN: r65950