www-cgi/: Coding style fixes

[userv-utils] / dyndns / dyndns

if ( grep calling-user-shell /etc/shells
   & grep service-user /etc/userv/dyndns-service-users
   )
        reset
        no-set-environment
        no-suppress-args
        no-disconnect-hup
        execute /usr/share/userv/dyndns/service
fi