fixes NVGhud sprite

old
![old](https://cloud.githubusercontent.com/assets/7247232/3737012/f1e1a7aa-1732-11e4-86d2-cd1c55142ced.gif)

new
![new](https://cloud.githubusercontent.com/assets/7247232/3737014/f4248cf8-1732-11e4-8724-764b5d09b3fb.gif)