[CFR] reflect resolv.conf update to running application

[Jeremie Le Hen]

Hi Hajimu-san,

> If /usr/bin/cmp does not exist, The whole test will fail, then it will
> work as heretofore.  So, I think we don't need to test if /usr/bin/cmp
> exists.
> However, if /usr/bin/cmp does not exist, error message will out.  So,
> we need to supress it as following:
> 
> 		if cmp -s /etc/resolv.conf.std /etc/resolv.conf; then
> 			rm -f /etc/resolv.conf.std
> 			return 0
> 		fi 2>/dev/null

It would be good to put a comment in front of this block to explain
this, or it has good chances to generates some mails in the future.

Thanks.
Regards,
-- 
Jeremie Le Hen
< jeremie at le-hen dot org >< ttz at chchile dot org >