hide idle time of users with mode +I in non-HIS setup in WHO

diff -r 3932ddb66141 ircd/whocmds.c
--- a/ircd/whocmds.c
+++ b/ircd/whocmds.c
@@ -233,7 +233,7 @@
   {
     *p1++ = ' ';
     if (MyUser(acptr) &&
-	((IsAnOper(sptr) && HasPriv(sptr, PRIV_ROUTEINFO)) || !feature_bool(FEAT_HIS_WHO_SERVERNAME) ||
+	((IsAnOper(sptr) && HasPriv(sptr, PRIV_ROUTEINFO)) || (!feature_bool(FEAT_HIS_WHO_SERVERNAME) && !IsNoIdle(acptr)) ||
 	 acptr == sptr))
       p1 += ircd_snprintf(0, p1, 11, "%d",
                           CurrentTime - cli_user(acptr)->last);