* xterm.h, xterm.c (x_uncatch_errors): Delete unneccessary

* xterm.h, xterm.c (x_uncatch_errors): Delete unneccessary
	argument.

	* xterm.c: (x_load_font, x_term_init, XTmouse_position)
	(handle_one_xevent, x_connection_closed, x_list_fonts): No arg for
	x_uncatch_errors.

	* xselect.c (x_own_selection, x_decline_selection_request)
	(x_reply_selection_request, x_get_foreign_selection)
	(Fx_get_atom_name, Fx_send_client_event): Likewise.

	* xfns.c (x_real_positions, x_set_mouse_color, Fx_focus_frame):
	Likewise.