Bug 75824 [UI] Menu in the package explorer view doesn't work anymore
With Eclipse in Linux/GTK Menu in the package explorer doesn't work anymore. We cannot "select a working set", "filter", "sort" etc... in this view
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/workingsets/WorkingSetMenuContributionItem.java
private IWorkingSet fWorkingSet;
	private WorkingSetFilterActionGroup fActionGroup;
	private Image fImage;
	/**
	 * Constructor for WorkingSetMenuContributionItem.
	 * 
	 * @param id the id
	 * @param actionGroup the action group
	 * @param workingSet the working set
	 */
	public WorkingSetMenuContributionItem(int id, WorkingSetFilterActionGroup actionGroup, IWorkingSet workingSet) {
		super(getId(id));
		Assert.isNotNull(actionGroup);
		Assert.isNotNull(workingSet);
		fId= id;
		fActionGroup= actionGroup;
		fWorkingSet= workingSet;
	}
	/*
	 * Overrides method from ContributionItem.
	 */
	public void fill(Menu menu, int index) {
		MenuItem mi= new MenuItem(menu, SWT.RADIO, index);
		mi.setText("&" + fId + " " + fWorkingSet.getName());  
		if (fImage == null)
			fImage= fWorkingSet.getImage().createImage();
		mi.setImage(fImage);
		mi.setSelection(fWorkingSet.equals(fActionGroup.getWorkingSet()));
		mi.addSelectionListener(new SelectionAdapter() {
			public void widgetSelected(SelectionEvent e) {