IPv6: Add a missing comma and remove a colon in the output

[tcpdump] / tests / dhcpv6-domain-list.out

    1  2013-04-11 09:51:39.660420 IP6 (hlim 64, next-header UDP (17), payload length 101) fe80::20c:29ff:fe9b:a15d.547 > fe80::20c:29ff:fe38:f368.546: [udp sum ok] dhcp6 reply (xid=aa56ce (client-ID hwaddr/time type 1 time 418384703 000c2938f368) (server-ID hwaddr/time type 1 time 418354459 000c299ba153) (DNS-search-list example.com. sales.example.com. eng.example.com.))