Bug 171262 [Dialogs] uncaught NPE in FilteredResourcesSelectionDialog
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/FilteredResourcesSelectionDialog.java
private boolean showDerived = false;
		private IContainer filterContainer;
		private int filterTypeMask;
		/**
		 * Creates new ResourceFilter instance
		 * 
		 * @param container
		 * @param showDerived
		 *            flag which determine showing derived elements
		 * @param typeMask
		 */
		public ResourceFilter(IContainer container, boolean showDerived,
				int typeMask) {
			super();
			this.filterContainer = container;
			this.showDerived = showDerived;
			this.filterTypeMask = typeMask;
		}
		/**
		 * Creates new ResourceFilter instance
		 */
		public ResourceFilter() {
			super();
			this.filterContainer = container;
			this.showDerived = isDerived;
			this.filterTypeMask = typeMask;