lib-mail: Fixed crash in message-decoder with unknown charsets. Caused by earlier changes.
lib-mail: Fixed crash in message-decoder with unknown charsets.
Caused by earlier changes.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot