[rfc] Replace current_gdbarch in stack.c

[Ulrich Weigand]

Markus Deuling wrote:

> 	* stack.c (print_args_stub): Use get_frame_arch to get at the current
> 	architecture and replace current_gdbarch.
> 	(frame_info): Likewise.

This is OK.

Thanks,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU Toolchain for Linux on System z and Cell BE
  Ulrich.Weigand@de.ibm.com