Trivial fix: in dhcp-host the name is optional
Trivial fix: in dhcp-host the name is optional

Although in IPv4 one must pick either mac or name, either
can be omitted.  Similarly, for IPv6, the name
can be optionally omitted.

Signed-off-by: Gene Czarcinski <bdc8e6790aae8f6a22207d77eb88510bcf8f261a@czarc.net>
Signed-off-by: Laine Stump <c23361c43fbf79fed83e8b76173707b083d6caf5@laine.org>

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