Re: xcoff: implement linker relaxation

	* xcofflink.c (xcoff_stub_csect_name): Increase buffer size.
	(xcoff_stub_get_csect_in_range, xcoff_build_one_stub): Whitespace.
	(bfd_xcoff_size_stubs): Cast PRIx64 arg to required type.
	Don't use freed stub_name.