Bug#373252: openoffice.org-calc: Some expressions fail on empty cells.

[John McMonagle]

Here is the sample problems spreadsheet.

timesheet.ods
Description: application/vnd.oasis.opendocument.spreadsheet

begin:vcard
fn:John McMonagle
n:McMonagle;John
org:Advocap inc
email;internet:[EMAIL PROTECTED]
title:IT manager
x-mozilla-html:FALSE
url:http://www.advocap.org
version:2.1
end:vcard