Fixed multithreaded make
Fixed multithreaded make

coinkeeper/2015-06-22_18-52_viacoin,coinkeeper/2015-06-22_18-52_viacoin,coinkeeper/2015-06-22_18-52_viacoin,coinkeeper/2015-06-22_18-52_viacoin,coinkeeper/2015-06-22_18-52_viacoin,coinkeeper/2015-06-22_18-52_viacoin