auth: Unload plugins after everything else is deinitialized. Fixes a crash at deinit when SQL drivers were plugins.
auth: Unload plugins after everything else is deinitialized.
Fixes a crash at deinit when SQL drivers were plugins.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot