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/composites/LineAttributesComposite.java
}
	/**
	 * 
	 */
	private void placeComponents( )
	{
		FillLayout flMain = new FillLayout( );
		flMain.marginHeight = 0;
		flMain.marginWidth = 0;
		GridLayout glContent = new GridLayout( );
		glContent.verticalSpacing = 5;
		glContent.horizontalSpacing = 5;
		glContent.marginHeight = 4;
		glContent.marginWidth = 4;
		glContent.numColumns = 6;
		this.setLayout( flMain );
		cmpContent = new Composite( this, SWT.NONE );
		cmpContent.setLayout( glContent );
		bEnabled = laCurrent.isVisible( );
		boolean bEnableUI = bEnabled;
		if ( bEnableVisibility )
		{
			cbVisible = new Button( cmpContent, SWT.CHECK );
			GridData gdCBVisible = new GridData( GridData.FILL_HORIZONTAL );
			gdCBVisible.horizontalSpan = 6;
			cbVisible.setLayoutData( gdCBVisible );
			cbVisible.setText( Messages.getString( "LineAttributesComposite.Lbl.IsVisible" ) ); 
			cbVisible.setSelection( laCurrent.isVisible( ) );
			cbVisible.addSelectionListener( this );
			if ( bEnabled )