imap CATENATE: Do one more mailbox_save_continue() after adding EOF to stream. Fixes a crash with external mail attachments (mail_attachment_dir).
imap CATENATE: Do one more mailbox_save_continue() after adding EOF to stream.
Fixes a crash with external mail attachments (mail_attachment_dir).

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