$prev_customer_id is not initialized

[dryabov]

freescout/app/Console/Commands/FetchEmails.php

Line 462 in 020c9e1

if ($prev_customer_id) {

PHP 7.2 gives error at the above line if $prev_customer_id is not initialized. The solution is trivial

        $prev_customer_id = 0;

at the beginning of saveCustomerThread method

[freescout-helpdesk]

12b4fc2