Add target_ops argument to to_terminal_inferior

Add target_ops argument to to_terminal_inferior

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

	* target.h (struct target_ops) <to_terminal_inferior>: Add
	argument.
	* target.c (target_terminal_inferior): Add argument.
	(update_current_target): Update.
	* remote.c (remote_terminal_inferior): Add 'self' argument.
	* linux-nat.c (linux_nat_terminal_inferior): Add 'self' argument.
	* inflow.c (terminal_inferior): Add 'self' argument.
	* inferior.h (terminal_inferior): Add 'self' argument.
	* go32-nat.c (go32_terminal_inferior): Add 'self' argument.
	(go32_terminal_inferior): Add 'self' argument.