build broken in idns.

[Kinkie]

../../src/src/dns_internal.cc: In function 'void
idnsInitVCConnected(int, comm_err_t, int, void*)':
../../src/src/dns_internal.cc:721: error: 'class IPAddress' has no
member named 'sin_addr'
../../src/src/dns_internal.cc: In function 'void
idnsSendQueryVC(idns_query*, int)':
../../src/src/dns_internal.cc:786: error: 'class IPAddress' has no
member named 'sin_addr'
make[3]: *** [dns_internal.o] Error 1

It seems to be related to henriks' latest commit...

-- 
    /kinkie