[birt-dev]CheckIn: Fix NPE error when startup BIRT platform

["Wei Wang" <wwang@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix NPE error when startup BIRT platform

- Summary:
Fix NPE error when startup BIRT platform

- Bugzilla Bug (s) Resolved:
None

- Description:
Fix NPE error when startup BIRT platform

when call EclipseStarter.startup(), we set a new String[] for default.

- Tests Description  :
Manual Test

- Notes to Build Team:
None

- Notes to Developers:
None

- Notes to QA:  
None

- Notes to Documentation:  
None

- Files Edited:
"/org.eclipse.birt.core/src/org/eclipse/birt/core/framework/osgi/OSGILauncher.java"

- Files Added:
None

- Files Deleted
None

- Wei Wang
Actuate Software(Shanghai) Co.,Ltd