"__natimpact__" incorrectly getting set to "probably not" instead of "probably"

![screen shot 2017-08-04 at 11 55 25](https://user-images.githubusercontent.com/64992/28976576-6f1979da-790c-11e7-92f8-ca7884a51156.png)

Tracked this down as far as https://github.com/uProxy/uProxy-p2p/commit/bf84a1da1#diff-577a38088cbf76d9fd7b3bdbb6ca3d26R157