locale_facets.tcc (time_get::do_get_year): Avoid using a basic_string and calling a full blown strtol (via __convert_to_v)...

2003-12-02  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/locale_facets.tcc (time_get::do_get_year):
	Avoid using a basic_string and calling a full blown strtol
	(via __convert_to_v) for simple 2 or 4 digits, base 10,
	positive integers; simplify.

From-SVN: r74193