Download patch
ref: f5d2fe1f2a3c51e0ae2eda1992f9b12be9e04d29 parent: 1ddc8ebc5a089cbd1b949e505b3f166c9aa83432 author: Marc-Alexandre Espiaut <marcalexandre@member.fsf.org> date: Mon Jun 4 11:35:41 EDT 2018
Removing DOS code rt_util.h