Bug 315366 "Auto" for Curve Fitting Line is not black but transparent
Description: "Auto" for Curve Fitting Line is not black but transparent. Build number: 2.6.0.v20100602-0949 Steps to reproduce: 1. New a chart, in Format Chart->Series->Value (Y) Series, tick "Shown Curve Fitting Line", click "Curve Fitting Line" button. 2. Select "Auto" for Color. Expected result: The line is shown with color black. Actual result: The line disappears. Error log: N/A
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/series/LineSeriesAttributeComposite.java
private transient Button btnCurve = null;
	private transient Button btnMissingValue = null;
	private transient Button btnPalette = null;
	private transient Label lblShadow;
	private transient FillChooserComposite fccShadow = null;
	private transient Group grpLine = null;
	private transient LineAttributesComposite liacLine = null;
	private transient Series series = null;
	private transient ChartWizardContext context;
	private static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.ui.extension/swt.series" ); 
	/**
	 * @param parent
	 * @param style
	 */
	public LineSeriesAttributeComposite( Composite parent, int style,
			ChartWizardContext context, Series series )
	{
		super( parent, style );
		if ( !( series instanceof LineSeriesImpl ) )
		{
			try
			{
				throw new ChartException( ChartUIExtensionPlugin.ID,
						ChartException.VALIDATION,
						"LineSeriesAttributeComposite.Exception.IllegalArgument", new Object[]{series.getClass( ).getName( )}, Messages.getResourceBundle( ) ); 
			}
			catch ( ChartException e )
			{
				logger.log( e );
				e.printStackTrace( );