[birt-dev] CheckIn:Fix bug 156960 NPE when press Ok in Data Set Editor r

["Mingxia Wu" <mwu@xxxxxxxxxxx>]

Title: CheckIn:Fix bug 156960 NPE when press Ok in Data Set Editor right after it opens

- Summary:
Fix bugzilla bug 156960 NPE when press Ok in Data Set Editor right after it opens.

- Bugzilla Bug (s) Resolved:
156960

- Description:
This bug is caused by the latest check-in of changing the UI style with eclipse style. Meanwhile fix a typo bug in metaDataPopulator!

- Tests Description:
Manual test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

- Notes to Documentation:  

- Files Edited:
/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/dataset/OutputColumnsPage.java
/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/MetaDataPopulator.java

- Files Added:

- Files Deleted