Does not work with a specific .xls file

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Read an excel file


What is the expected output? What do you see instead?
Data of excel. 
The filename /var/www/data.xls is not readable.

What version of the product are you using? On what operating system?
Latest currently available. CentOS

Please provide any additional information below.
It work with the example file.

Error occur at this point.
if (substr($this->data, 0, 8) != IDENTIFIER_OLE) {
            $this->error = 1;
            return false;
        }

Original issue reported on code.google.com by [email protected] on 4 Mar 2009 at 9:30