Fixes incorrect error message and adds missing hex_to_binary() return value check. Patch by Andrey Panin.
Fixes incorrect error message and adds missing hex_to_binary() return value
check. Patch by Andrey Panin.

LTD-Beget/dovecot,LTD-Beget/dovecot,damoxc/dovecot,LTD-Beget/dovecot,damoxc/dovecot,Distrotech/dovecot,damoxc/dovecot,Distrotech/dovecot,LTD-Beget/dovecot,Distrotech/dovecot,damoxc/dovecot,LTD-Beget/dovecot,damoxc/dovecot,Distrotech/dovecot,Distrotech/dovecot