MemSetLoop ignoring the 'val' parameter

Hi,

#define MemSetLoop(start, val, len) \do \{ \    long * _start = (long *) (start); \    long * _stop = (long *) ((char
*)_start + (Size) (len)); \\    while (_start < _stop) \        *_start++ = 0; \} while (0)
 

The 'val' parameter is ignored.

Currently it doesn't matter because MemSetLoop is only used with a 0 parameter 
and only so in mcxt.c but it looks like it should be fixed anyway.

Andres
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