Fix error on 64 bit builds breaking.
Fix error on 64 bit builds breaking.

Quick fixed for PPA 64 builds.
ofeefee/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin,kizeren/fluttercoin,kizeren/fluttercoin,ofeefee/fluttercoin