Bug 278375 [ui] NPE on photo demo shutdown
NPE because the restore location is not set. PW
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/Workbench.java
Map<String, ?> attributes = resourceSetImpl
				.getURIConverter()
				.getAttributes(
						applicationDefinitionInstance,
						Collections
								.singletonMap(
										URIConverter.OPTION_REQUESTED_ATTRIBUTES,
										Collections
												.singleton(URIConverter.ATTRIBUTE_TIME_STAMP)));
		Object timestamp = attributes.get(URIConverter.ATTRIBUTE_TIME_STAMP);
		if (timestamp instanceof Long) {
			appLastModified = ((Long) timestamp).longValue();
		} else if (applicationDefinitionInstance.isPlatformPlugin()) {
			try {
				java.net.URL url = new java.net.URL(
						applicationDefinitionInstance.toString());
				Object[] obj = PlatformURLPluginConnection.parse(url.getFile()
						.trim(), url);
				Bundle b = (Bundle) obj[0];
				URLConnection openConnection = b.getResource((String) obj[1])
						.openConnection();
				appLastModified = openConnection.getLastModified();
			} catch (Exception e) {
				
			}
		}
		
		boolean restore = restoreLastModified > appLastModified;
		if (restore) {
			System.err.println("Restoring workbench: " + restoreLocation);