time.c: change `RuntimeError` to `ArgumentError`.
@@ -463,7 +463,7 @@ time_mktime(mrb_state *mrb, mrb_int ayear, mrb_int amonth, mrb_int aday,
|| (nowtime.tm_hour == 24 && (nowtime.tm_min > 0 || nowtime.tm_sec > 0))
|| nowtime.tm_min < 0 || nowtime.tm_min > 59
|| nowtime.tm_sec < 0 || nowtime.tm_sec > 60)
- mrb_raise(mrb, E_RUNTIME_ERROR, "argument out of range");
+ mrb_raise(mrb, E_ARGUMENT_ERROR, "argument out of range");
if (timezone == MRB_TIMEZONE_UTC) {
nowsecs = timegm(&nowtime);
