black empty folders in new version of sublime text

easy fix at:
https://github.com/thinkpixellab/flatland/commit/af6dedbac1e446f791adc759d04ff52d0f47859e

source:
http://stackoverflow.com/questions/25731403/why-does-my-sublime-now-show-these-black-empty-folders/25741554#25741554