[Toybox] Min/Max bug fix

[Rob Landley]

On 03/14/2013 03:46:02 PM, Andre Renaud wrote:
> There is a minor bug in the min/max macros that can result in
> unexpected results when doing things like:
> 5 + min(a,b)
> This currently essentially becomes
> (5 + a) < (b) ? (a) : (b)
> instead of:
> 5 + ((a < b) ? a : b)
> 
> Attached patch resolves it with the minimal changes
> In general however, might not the following common min/max definitions
> be more robust?

Actually removing them entirely would be more robust. It's not more  
efficient than open coding it, and doesn't really save any complexity  
at the call site.

Thanks,

Rob