Add target_ops argument to to_terminal_ours_for_output

Add target_ops argument to to_terminal_ours_for_output

2014-02-19  Pedro Alves  <palves@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* target.h (struct target_ops) <to_terminal_ours_for_output>: Add
	argument.
	(target_terminal_ours_for_output): Add argument.
	* target.c (debug_to_terminal_ours_for_output): Add argument.
	(update_current_target): Update.
	* inflow.c (terminal_ours_for_output): Add 'self' argument.
	* inferior.h (terminal_ours_for_output): Add 'self' argument.
	* go32-nat.c (go32_terminal_ours): Add 'self' argument.