Updated AppVeyor script to fix an issue with changes in the latest AppVeyor servers
Updated AppVeyor script to fix an issue with changes in the latest AppVeyor servers

dividiti/CLBlast,dividiti/CLBlast,gpu/CLBlast,gpu/CLBlast,CNugteren/CLBlast,CNugteren/CLBlast,CNugteren/CLBlast,gpu/CLBlast,dividiti/CLBlast