2003-04-28  Paolo Carlini  <pcarlini@unitus.it>

	* include/std/std_streambuf.h (_M_buf_size): is currently
	used only for basic_filebuf, therefore move it there.
	(basic_streambuf(), ~basic_streambuf()): Adjust.
	* include/std/std_fstream.h (_M_buf_size): Moved here.
	* include/bits/fstream.tcc (basic_filebuf()): Adjust.

From-SVN: r66191