[PATCH 1/1] tools: avoid implicit fallthrough in fdt_add_pubkey

[Tom Rini]

On Sat, Apr 01, 2023 at 08:09:34AM +0200, Heinrich Schuchardt wrote:

> When building with -Wimplicit-fallthrough we get a warning
> 
>     tools/fdt_add_pubkey.c:52:25: warning:
>     this statement may fall through [-Wimplicit-fallthrough=]
>        52 |                         print_help();
>           |
> 
> Explicitly declare which functions don't return.
> 
> Fixes: 30238e99619c ("tools: add fdt_add_pubkey")
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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