Add missing #ifdef CRYPTO around amd64_has_aesni
Add missing #ifdef CRYPTO around amd64_has_aesni

Diff from Silamael (Silamael (at) coronamundi.de)

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars