Klaust benchmark never ending
I am running 4x 1080TIs. Everything benchmarks perfectly except for Klaust Neoscrypt miner. It seems to keep benchmarking forever. I've let it run for hours. 

![klaust](https://user-images.githubusercontent.com/35879902/35477106-5b645154-038a-11e8-9914-112741f49b23.jpg)


