Sending DHCP message when DHCP-Message-Type = 0

[Alan DeKok]

Sergey Korobkov wrote:
> Using version from GIT.
> When DHCP-Message-Type = 0 the server must not sending reply.
> But in this code set DHCP-Message-Type value from 0 to 1024 and reply sending 
> to client.

  Fixed, thanks.

  Alan DeKok.