gdb/

gdb/
	Code cleanup - split print_stop_reason.
	* infrun.c (enum inferior_stop_reason): Remove.
	(print_stop_reason): Remove by splitting into ...
	(print_exited_reason, print_signal_exited_reason)
	(print_no_history_reason, print_signal_received_reason)
	(print_end_stepping_range_reason): ... these new functions.  Update
	the preceding comment.
	(handle_inferior_event): Change the calls to print_exited_reason,
	print_signal_exited_reason, print_no_history_reason,
	print_signal_received_reason, print_end_stepping_range_reason.
	(handle_step_into_function, handle_step_into_function_backward):
	Change the calls to print_end_stepping_range_reason.