A patch from Pierre Smits for "printCheck action generates an error" h…

…ttps://issues.apache.org/jira/browse/OFBIZ-6898

When generating a check (/accounting/control/printChecks.pdf?paymentId=demo10000) following error is generated:
Unable to transform FO file: org.apache.fop.apps.FOPException: org.apache.fop.fo.ValidationException: null:32:31: "fo:table-cell" is missing child elements. Required content model: marker* (%block;)+ (See position 32:31)
     [java] javax.xml.transform.TransformerException: org.apache.fop.fo.ValidationException: null:32:31: "fo:table-cell" is missing child elements. Required content model: marker* (%block;)+ (See position 32:31); Screen XSL:FO text was:

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1730889 13f79535-47bb-0310-9956-ffa450edef68