resolve.cc (_Jv_PrepareClass): Round size up to alignment required by this object.

	* resolve.cc (_Jv_PrepareClass): Round size up to alignment
	required by this object.  Search superclasses to find required
	alignment.
	(get_alignment_from_class): Use alignment of type as it appears
	in a struct.
	(ALIGNOF): New macro.
	(struct aligner): New helper structure.

From-SVN: r66008