2010-02-05  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_algobase.h (struct __iter_base): Rename to
	_Iter_base; add iterator_type typedef.
	(struct __miter_base): Rename to _Miter_base.
	(struct __niter_base): Rename to _Niter_base.
	(__miter_base, __niter_base): Add, use the latter; adjust everywhere.

From-SVN: r156515