ref: 55fb41791d467a8c6b1609770c9cc3348079b5cb
parent: 29994d4dbd93a67cf8e39d72230c963e14974b42
author: Simon Howard <fraggle@soulsphere.org>
date: Fri Jan 5 15:36:38 EST 2018
hexen: Replace ValidateLumpOffset with ReadOffset(). All offsets to be validated are now read as immediate values anyway.