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/StockSeriesAttributeComposite.java
Group grpLine = new Group( this, SWT.NONE );
		{
			grpLine.setText(  Messages.getString( "StockSeriesAttributeComposite.Lbl.Line" ) ); 
			GridLayout glLine = new GridLayout( );
			glLine.numColumns = series.isShowAsBarStick( ) ? 3 : 1;
			grpLine.setLayout( glLine );
			grpLine.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		}
		
		liacStock = new LineAttributesComposite( grpLine,
				SWT.NONE,
				context,
				series.getLineAttributes( ),
				true,
				true,
				false );
		GridData gdLIACStock = new GridData( GridData.FILL_HORIZONTAL );
		gdLIACStock.verticalSpan = 3;
		liacStock.setLayoutData( gdLIACStock );
		liacStock.addListener( this );
		if ( series.isShowAsBarStick( ) )
		{
			new Label( grpLine, SWT.NONE ).setText( Messages.getString( "StockSeriesAttributeComposite.Lbl.StickLength" ) ); 
			iscStick = new Spinner( grpLine, SWT.BORDER );
			iscStick.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
			iscStick.setMinimum( 0 );
			iscStick.setMaximum( Integer.MAX_VALUE );
			iscStick.setSelection( series.getStickLength( ) );
			iscStick.addSelectionListener( this );
		}