Bug 119827 Window working set has strange name in type hierarchy view
Build id: I20051206-1200 Don't know if this is JDT/UI or Platform/UI but when the window working set is selected a strange name is presented in the title bar of the view (see attached screen shot)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerPart.java
List fPendingGetChildren;
		
		public PackageExplorerProblemTreeViewer(Composite parent, int style) {
			super(parent, style);
			fPendingGetChildren= Collections.synchronizedList(new ArrayList());
		}
		public void add(Object parentElement, Object[] childElements) {
			if (fPendingGetChildren.contains(parentElement)) 
				return;
			
			
			List l= (List)fAdditionalMappings.get(parentElement);
			if (l == null) {
				super.add(parentElement, childElements);
			} else {
				List stable= new ArrayList(l);
				super.add(parentElement, childElements);
				for (Iterator iter= stable.iterator(); iter.hasNext();) {
					Widget item= (Widget)iter.next();
					super.internalAdd(item, parentElement, childElements);				
				}
			}
		}
				
		protected Object[] getRawChildren(Object parent) {