CID 469729: Control flow issue in lib/isccfg/kaspconf.c

Coverity Scan claims a control flow issue in lib/isccfg/kaspconf.c after !8515 (merged).

*** CID 469729:  Control flow issues  (UNREACHABLE)
/lib/isccfg/kaspconf.c: 300 in cfg_nsec3param_fromconfig()
294     	if (iter != DEFAULT_NSEC3PARAM_ITER) {
295     		cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
296     			    "dnssec-policy: nsec3 iterations value %u "
297     			    "not allowed, must be zero",
298     			    iter);
299     		return (DNS_R_NSEC3ITERRANGE);
>>>     CID 469729:  Control flow issues  (UNREACHABLE)
>>>     This code cannot be reached: "return ret;".
300     		return (ret);
301     	}
302     
303     	/* Opt-out? */
304     	obj = cfg_tuple_get(config, "optout");
305     	if (cfg_obj_isboolean(obj)) {