[PATCH 01/13] manual: Fix missing include in group and user database example.

[Collin Funk]

Adhemerval Zanella Netto <adhemerval.zanella@linaro.org> writes:

> LGTM for this whole set, thanks!
>
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Thanks for the review. Pushed.

Collin