Outlined SVG is rendered with a fill
Hello, I have an outlined SVG that is being rendered with a fill for some reason. [Here is the SVG.](https://gist.github.com/NickMckloski/df566217598b7492e060f980ff779a02#file-outlined-svg)

Here is what it is supposed to look like: 
![input](https://user-images.githubusercontent.com/10548573/58972653-09bc0900-878c-11e9-8bf1-044921a6b030.PNG)

And here is what is rendered (ignoring color):
![output](https://user-images.githubusercontent.com/10548573/58972672-12144400-878c-11e9-81d3-bcee8a074bf0.PNG)

iconfont-webpack-plugin version - 3.1.0

Any help would be appreciated, thanks!