Fix for PDI-34 : text input differs between 2.5 and 3.0 . Handle ifnull values the same way as in 2.5
Fix for PDI-34 : text input differs between 2.5 and 3.0 . Handle ifnull values the same way as in 2.5

git-svn-id: 51b39fcfd0d3a6ea7caa15377cad4af13b9d2664@4631 5fb7f6ec-07c1-534a-b4ca-9155e429e800

cwarden/kettle,juanmjacobs/kettle,cwarden/kettle,juanmjacobs/kettle,cwarden/kettle,juanmjacobs/kettle