* class.c (handle_using_decl): Fix comment.  Don't lookup
	constructors in base classes.
	(validate_lhs): Fix typo in comment.
	* search.c (lookup_field_1): Don't return a USING_DECL.
	* cp-tree.h (DECL_ACCESS): Improve documentation.
	* decl.c (expand_static_init): Don't set the initialization-done
	flag until the initialization is done.

From-SVN: r24076