std_cerrno.h: Correct date format for copyright.

std_cerrno.h: Correct date format for copyright.

2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cerrno.h: Correct date format for copyright.
	* include/c_std/bits/std_cctype.h: Same.
	* include/c_std/bits/std_cassert.h: Same.
	* include/c_std/bits/std_cstdarg.h: Same.
	* include/c_std/bits/std_cstddef.h: Same.

	* include/c_std/bits/std_cstdio.h: Undefine all names brought into
	namespace std.
	* include/c_std/bits/std_ctime.h: Same.
	* include/c_std/bits/std_clocale.h: Same.
	* include/c_std/bits/std_cmath.h: Same.
	* include/c_std/bits/std_csetjmp.h: Same.
	* include/c_std/bits/std_csignal.h: Same.
	* include/c_std/bits/std_cstring.h: Same.
	* include/c_std/bits/std_cstdlib.h: Same.
	* include/c_std/bits/std_cwchar.h: Same.

From-SVN: r39468