mpr: fix a compiler error on PowerPC

Francois Gouget fgouget at
Fri Jan 9 02:28:27 CST 2009

On Fri, 2 Jan 2009, Austin English wrote:

> CHAR defaults to unsigned char on PowerPC, so explicitly setting hi/lo
> to signed char to avoid this error.

CHAR is a Windows type so I don't think it's right for it to be unsigned 
on PowerPC. Even more so since there is a UCHAR type.

So I think the right thing to do is to fix the CHAR declaration in 
wtypes.h and winnt.h.

Francois Gouget <fgouget at>    
             Research is the transformation of money to knowledge.
            Innovation is the transformation of knowledge to money.
                              -- Dr. Hans Meixner

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