Bug 10593 Jar export should add ".jar" suffix if not specified
Build 20020228 - select some files - export them using the jar export - enter "test" as the jar name - it creates a jar file called "test" It should use "test.jar".
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/jarpackager/JarPackageWizardPage.java
*/
	protected void restoreWidgetValues() {
		if (!fJarPackage.isUsedToInitialize())
			initializeJarPackage();
		fExportClassFilesCheckbox.setSelection(fJarPackage.areClassFilesExported());
		fExportJavaFilesCheckbox.setSelection(fJarPackage.areJavaFilesExported());
		
		if (fJarPackage.getJarLocation().isEmpty())
			fDestinationNamesCombo.setText(""); 
		else
			fDestinationNamesCombo.setText(fJarPackage.getJarLocation().toOSString());
		IDialogSettings settings= getDialogSettings();
		if (settings != null) {
			String[] directoryNames= settings.getArray(STORE_DESTINATION_NAMES);
			if (directoryNames == null)
				return; 
			if (! fDestinationNamesCombo.getText().equals(directoryNames[0]))
				fDestinationNamesCombo.add(fDestinationNamesCombo.getText());
			for (int i= 0; i < directoryNames.length; i++)
				fDestinationNamesCombo.add(directoryNames[i]);
		}
		
		
		fCompressCheckbox.setSelection(fJarPackage.isCompressed());
		fOverwriteCheckbox.setSelection(fJarPackage.allowOverwrite());
	}
	/**
	 *	Initializes the JAR package from last used wizard page values.
	 */
	protected void initializeJarPackage() {