Bug 58800 NLS Search: should support search again
20040413 - do a NLS search (I got an unused key entry) - do a searh again observe: the unused key entry is doubled.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/search/PathNameSorter.java
/*
	 * Overrides method from ViewerSorter
	 */
	public int compare(Viewer viewer, Object e1, Object e2) {
		String name1= null;
		String name2= null;
		ISearchResultViewEntry entry1= null;
		ISearchResultViewEntry entry2= null;
		if (e1 instanceof ISearchResultViewEntry) {
			entry1= (ISearchResultViewEntry)e1;
			name1= getLabel(e1);
		}
		if (e2 instanceof ISearchResultViewEntry) {
			entry2= (ISearchResultViewEntry)e2;
			name2= getLabel(e2);
		}
		if (name1 == null)