Bug 203838 [Markers] [Markers] clicking on column headers does not sort table
I20070918 Clicking on any of the column headers does not sort based on the relevant column.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
* Return a new instance of the receiver.
	 */
	public ExtendedMarkersView() {
		super();
		instanceCount++;
		preferenceListener = new IPropertyChangeListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
			 */
			public void propertyChange(PropertyChangeEvent event) {
				String propertyName = event.getProperty();
				if (propertyName
						.equals(IDEInternalPreferences.USE_MARKER_LIMITS)
						|| propertyName
								.equals(IDEInternalPreferences.MARKER_LIMITS_VALUE)) {
					viewer.refresh();
				}
			}
		};
		IDEWorkbenchPlugin.getDefault().getPreferenceStore()
				.addPropertyChangeListener(preferenceListener);
	}
	/**
	 * Add the category to the list of expanded categories.
	 * 
	 * @param category
	 */
	public void addExpandedCategory(MarkerCategory category) {