ref: ee429c13cd91a43609eb4688c7a20b5c5056662f
parent: e4328b9081dabc78f6115fe2dd916e8e5fe8cca0
author: Simon Tatham <anakin@pobox.com>
date: Mon May 30 18:33:34 EDT 2005
Chris's patch to stop Mines depending on char being signed. [originally from svn r5871]