radv/aco: actually disable ACO when unsupported

We were setting this twice. The second time, we weren't later disabling
it if unsupported.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
1 file changed