[birt-dev] CheckIN:Fix bugzilla Bug 179686NPE throws out when preview a

["Mingxia Wu" <mwu@xxxxxxxxxxx>]

Title: CheckIN:Fix bugzilla Bug 179686NPE throws out when preview a non-column dimension crosstab[1102]

- Summary:
Fix bugzilla 179686 NPE throws out when preview a non-column dimension crosstab[1102]

- Bugzilla Bug (s) Resolved:
179686

- Description:
Fix it now.

- Tests Description:
Manual test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  

- Notes to Documentation:  

- Files Edited:
"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/i18n/Messages.properties"
"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/i18n/ResourceConstants.java"

"/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/impl/Cube.java"


- Files Added:

- Files Deleted