[birt-dev]CheckIn: Fix Bugzilla Bug --- 153728 [regression]importPackage

["Wei Yan" <wyan@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix Bugzilla Bug --- 153728 [regression]importPackage doesn't work in report.initialize()

- Summary:

- Bugzilla Bug (s) Resolved:
153728 [regression]importPackage doesn't work in report.initialize()
- Description:
The moudle.getScriptList() return a List, if there is no libs defined in the design, the return value is NULL instead of an empty list. So use scriptLibIter() instead which will never return NULL.

- Tests Description  :
Manul Test

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:  
 
- Notes to Documentation:  

- Files Edited:
cvs ci -m "handle the case that the getScriptLibs() may return null." -l "/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java"

- Files Added:

- Files Deleted

-Wei Yan