sdbox: If copying with link() fails with ENOENT, fallback to trying regular copying. This also fixes missing error reporting for that case.
sdbox: If copying with link() fails with ENOENT, fallback to trying regular copying.
This also fixes missing error reporting for that case.

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