Make sure we crash if we're trying to call sasl_callback() too many times.
Make sure we crash if we're trying to call sasl_callback() too many times.

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