dhcp request (ethernet.begin(mac)) hangs in parseDHCPResponse of Dhcp.cpp

The fix was made in the file Dhcp.cpp in the procedure parseDHCPResponse. If you look at

https://code.google.com/p/arduino/issues/attachmentText?id=716&aid=7160017002&name=Dhcp.cpp&token=dc0FWLnNWk097X5Gg0mwu8iETSE%3A1330153164746

the fix would be inserted after line 295.

DanH