stl_algobase.h (struct __lexicographical_compare): Add.

stl_algobase.h (struct __lexicographical_compare): Add.

2007-11-16  Paolo Carlini  <pcarlini@suse.de>

	* include/bits/stl_algobase.h (struct __lexicographical_compare): Add.
	(lexicographical_compare<>(_II1, _II1, _II2, _II2)): Use it.
	(lexicographical_compare(const unsigned char*, const unsigned char*,
	const unsigned char*, const unsigned char*),
	lexicographical_compare(const char*, const char*, const char*,
	const char*)): Remove.
	* include/ext/numeric_traits.h (__numeric_traits_floating<>::
	__is_signed): Add.

From-SVN: r130248