auc: fix typo

[Lanchon]

Fix minor typo.

Proposed to 23.05 branch because auc package no longer exists in master.

[GrumpyMeow]

Perfect (spelling)!

[1715173329]

Cc maintainer @dangowrt

[1715173329]

CI says:

: Signed-off-by is missing or doesn't match author

Please update your git config:
git config --local user.name "Rodrigo Balerdi"
then update the commit:
git commit --amend --no-edit && git push --force

[Lanchon]

@1715173329

oh sorry! i had done this change without local clone on the crappy github web ui :(

fixed now.