* lib/fdleak.c (get_proc_max_fd): Use safe_atoi to do string to
int conversion, instead of sscanf. Skip '.' and '..'.
* find/util.c (set_option_defaults): Avoid false positive with
sc_prohibit_atoi_atof.
(check_nofollow): Likewise.
* cfg.mk (skip_defer): Enable the sc_prohibit_atoi_atof check.
Signed-off-by: James Youngman <jay@gnu.org>