hashtable (node_iterator::node_iterator(const node_iterator<,true,>&)): Fix to take a "false" (i.e., is_const == false) node_iterator.

2005-10-03  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/hashtable
	(node_iterator::node_iterator(const node_iterator<,true,>&)): Fix to
	take a "false" (i.e., is_const == false) node_iterator.
	(hashtable_iterator::hashtable_iterator(const hashtable_iterator<,
	true,>&)): Likewise for hashtable_iterator.
	(hashtable::const_local_iterator): Fix typedef (is_const == true).
	(hashtable::const_iterator): Likewise.
	* testsuite/tr1/6_containers/unordered/types/map_iterator.cc: New.
	* testsuite/tr1/6_containers/unordered/types/multimap_iterator.cc: New.
	* testsuite/tr1/6_containers/unordered/types/set_iterator.cc: New.
	* testsuite/tr1/6_containers/unordered/types/multiset_iterator.cc: New.

From-SVN: r104900