name-lookup.h (pushdecl): Add default friend parm.

name-lookup.h (pushdecl): Add default friend parm.

	* name-lookup.h (pushdecl): Add default friend parm.
	(pushdecl_maybe_friend): Delete.
	(pushdecl_top_level): Add default friend parm.
	(pushdecl_top_level_maybe_friend): Delete.
	* name-lookup.c (pushdecl_maybe_friend): Delete.
	(pushdecl): Add is_friend parm.
	(pushdecl_top_level): Add is friend_parm.
	(pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
	(pushdecl_top_level_and_finish): Do pushing and finishing
	directly.
	* friend.c (do_friend): Adjust.
	* pt.c (tsubst_friend_class): Adjust.

From-SVN: r247918