Update bitstamp.cpp
Update bitstamp.cpp

Update nonce
beckel/blackbird,butor/blackbird,seanbow/blackbird,greatwolf/blackbird,butor/blackbird,greatwolf/blackbird,greatwolf/blackbird,beckel/blackbird,seanbow/blackbird,NateBrune/blackbird,NateBrune/blackbird,butor/blackbird