[Prec/RFA] fix build error of prec in cygwin

[Christopher Faylor]

On Mon, May 18, 2009 at 04:43:36PM +0800, Hui Zhu wrote:
>On Mon, May 11, 2009 at 07:51, Christopher Faylor wrote:
>> So wouldn't that indicate that your format specifier is wrong and should
>> be "%u" rather than "%d"? ?Coercion is something that should be avoided
>> unless it is absolutely necessary.
>>
>
>I changed it.

It looks like this diff is against your previous version rather than CVS
so it is confusing.  But, it still seems like you're still coercing
using (int)len but now you're using %u.  So, it looks like you've just
swapped the problem.

cgf