Bug#552010: still not fixed with 2.10.1-3

[Piotr Engelking <inkerman42@gmail.com>]

reopen 552010
thanks

After upgrade from 2.9-25 to 2.10.1-5, name resolution breaks if the
'nameserver' option is not present in /etc/resolv.conf:

# ping debian.org
ping: unknown host debian.org
# cat /etc/resolv.conf
options ndots:0
# echo nameserver 127.0.0.1 >> /etc/resolv.conf
# ping -c 1 debian.org
PING debian.org (194.109.137.218) 56(84) bytes of data.
64 bytes from klecker.debian.org (194.109.137.218): icmp_seq=1 ttl=52
time=37.2 ms

--- debian.org ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 37.289/37.289/37.289/0.000 ms
#

According to resolv.conf(5), the 'nameserver' option is optional and
both configurations should be functionally identical:

    If no nameserver entries are present, the default is to use the
name server on the local machine.