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/PieSeriesAttributeComposite.java
glLeaderLine.numColumns = 2;
			glLeaderLine.marginHeight = 0;
			glLeaderLine.marginWidth = 2;
			glLeaderLine.verticalSpacing = 0;
			grpLeaderLine.setLayout( glLeaderLine );
			grpLeaderLine.setText( Messages.getString( "PieSeriesAttributeComposite.Lbl.LeaderLine" ) ); 
		}
		
		liacLeaderLine = new LineAttributesComposite( grpLeaderLine,
				SWT.NONE,
				context,
				series.getLeaderLineAttributes( ),
				true,
				true,
				true );
		GridData gdLIACLeaderLine = new GridData( GridData.FILL_HORIZONTAL );
		gdLIACLeaderLine.horizontalSpan = 2;
		liacLeaderLine.setLayoutData( gdLIACLeaderLine );
		liacLeaderLine.addListener( this );
		Composite cmpStyle = new Composite( grpLeaderLine, SWT.NONE );
		{
			GridLayout gl = new GridLayout( 2, false );
			gl.marginHeight = 0;
			gl.marginBottom = 0;
			cmpStyle.setLayout( gl );
			GridData gd = new GridData( GridData.FILL_HORIZONTAL );
			gd.horizontalSpan = 2;
			cmpStyle.setLayoutData( gd );
		}