src/: Rename `udpsocket' and `nudp' (style)

[adns] / regress / case-srvha.out

_srv._tcp.test.iwj.relativity.greenend.org.uk SRV 10 66 10066 davenant.relativity.greenend.org.uk ok 0 ok "OK" ( INET 172.18.45.6 )
_srv._tcp.test.iwj.relativity.greenend.org.uk SRV 20 200 20200 norway.relativity.greenend.org.uk ok 0 ok "OK" ( INET 172.18.45.40 )
_srv._tcp.test.iwj.relativity.greenend.org.uk SRV 20 400 20400 anarres.relativity.greenend.org.uk ok 0 ok "OK" ( INET 172.18.45.2 )
_srv._tcp.test.iwj.relativity.greenend.org.uk SRV 20 100 20100 nxdomain.relativity.greenend.org.uk permfail 300 nxdomain "No such domain" ( )
_jabber._tcp.jabber.org SRV 30 30 5269 jabber.org ok 0 ok "OK" ( INET 208.245.212.98 )
_sip._udp.voip.net.cam.ac.uk SRV 10 1 5060 sip.voip.net.cam.ac.uk ok 0 ok "OK" ( INET 131.111.8.174 )
rc=0