std_ostream.h: Replaced usage of _Traits::_S_eos() with _CharT() as per section 17...

std_ostream.h: Replaced usage of _Traits::_S_eos() with _CharT() as per section 17.2.2.1.3.

2001-02-16  Greg Bumgardner <bumgard@roguewave.com>

	libstdc++/1734
        * include/bits/std_ostream.h: Replaced usage of
        _Traits::_S_eos() with _CharT() as per section 17.2.2.1.3.
        * include/bits/char_traits.h: Removed non-standard
        methods that cannot be used elsewhere.

	libstdc++/1885
        * include/bits/basic_ios.h: Uncommented #include of
        bits/basic_ios.tcc

	libstdc++/1897
        * include/bits/codecvt.h: See next...
        * include/bits/fstream.tcc: See next...
        * include/bits/ostream.tcc: Add __extension__
        to variable-length arrays.

	libstdc++/1967
        * include/bits/localefwd.h: Changed int counter type to size_t.

	libstdc++/1968
        * include/bits/std_fstream.h: Added typedef for __ctype_type.

From-SVN: r39802