cp-tree.h: Revert previous change.

cp-tree.h: Revert previous change.

	* cp-tree.h: Revert previous change.
	(finish_struct_methods): Remove declaration.
	* class.c: Revert previous change.
	(maybe_warn_about_overly_private_class): New function.
	(finish_struct_methods): Declare here, and make static.  Remove
	unnecessary parameters.  Tidy slightly.  Use
	maybe_warn_about_overly_private_class.
	(finish_struct_1): Adjust.  Remove check for private constructors,
	now done elsewhere.
	(finish_struct): Adjust.

From-SVN: r22426