[U-Boot] lib:vsprintf: reduce scope of pack_hex_byte

[Tom Rini]

On Thu, Jul 10, 2014 at 10:33:00PM +0200, Jeroen Hofstee wrote:

> pack_hex_byte is only used when CONFIG_CMD_NET is
> defined so limit it to that scope. This prevents
> a clang warning.
> 
> Signed-off-by: Jeroen Hofstee <jeroen at myspectrum.nl>

Applied to u-boot/master, thanks!

-- 
Tom
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