asyncns resolver: fail when the server doesn't have a SRV field. Otherwise old_socket_resolver_srv_cb() does not try to connect to the domain from the jid instead.
asyncns resolver: fail when the server doesn't have a SRV field.
Otherwise old_socket_resolver_srv_cb() does not try to connect to the
domain from the jid instead.

mcabber/loudmouth,mhallendal/loudmouth,tyll/loudmouth,tuxad-loudmouth/loudmouth,mhallendal/loudmouth,mcabber/loudmouth,tuxad-loudmouth/loudmouth,tyll/loudmouth