Fix vendor bogon where one of dhcp_option_ev_name()'s formal parameter types did not match the prototype.
Fix vendor bogon where one of dhcp_option_ev_name()'s formal parameter
types did not match the prototype.

(Note: this is one bug that an Ada compiler would have found as when you
typedef a new type, the new type is not assignment compatabile with the
type used to make it up.  C should only be so featureful.)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase