[Dnsmasq-discuss] v2.88rc1 build errors on BSD

[Johnny S. Lee]

When building on FreeBSD:

option.c:970:7: error: use of undeclared identifier 'source_addr'
      source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in);
      ^
option.c:970:33: error: use of undeclared identifier 'addr'
      source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in);
                                ^
option.c:1019:83: error: use of undeclared identifier 'addr'
      sdetails->addr->in6.sin6_len =
sdetails->source_addr->in6.sin6_len = sizeof(addr->in6);

           ^
3 errors generated.