[U-Boot] hashtable: Fix length calculation in hexport_r

[Tom Rini]

On Tue, Jul 17, 2018 at 07:25:38PM +0100, Zubair Lutfullah Kakakhel wrote:

> The length returned by hexport_r has a few redundant characters.
> This appears as NULL characters at the end so seems harmless.
> 
> Remove the surplus counts in two places
> 
> totlen += strlen(ep->key) + 2;
> I'm guessing the +2 here is for = and sep char. But there is another
> totlen += 2; line that does that.
> 
> size = totletn + 1;
> Doesn't make sense and isn't justified with any comment.
> 
> Signed-off-by: Zubair Lutfullah Kakakhel <zubair at resin.io>

Applied to u-boot/master, thanks!

-- 
Tom
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