Remove unnecessary const_cast
Remove unnecessary const_cast

Signed-off-by: Julian Fleischer <354106e416911844661e1603d99ecf7d1c318dda@thirdhash.com>

DigitalPandacoin/pandacoin,peercoin/peercoin,peercoin/peercoin,peercoin/peercoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,peercoin/peercoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,peercoin/peercoin,DigitalPandacoin/pandacoin,peercoin/peercoin