Bug 190058 icon for aggregation type data items.
For aggregation type data items in cross tabs, we should show the icon instead of the sigma symbol. I am attaching the icon to replace it
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/figures/TextFlow.java
/**
				 * Processes the line-through style.
				 */
				if ( textLineThrough
						.equals( DesignChoiceConstants.TEXT_LINE_THROUGH_LINE_THROUGH ) )
				{
					g.drawLine( realX,   frag.getBaseline( )+ top - frag.getAscent( )/2+ lineWidth, realX
							+ frag.getWidth( ), frag.getBaseline( )+ top - frag.getAscent( )/2 + lineWidth);
				}
				/**
				 * Processes the over-line style.
				 */
				if ( textOverline
						.equals( DesignChoiceConstants.TEXT_OVERLINE_OVERLINE ) )
				{
					g.drawLine( realX, realY + 1, realX + frag.getWidth( ),
							realY + 1 );
				}
			}
			g.restoreState( );
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.draw2d.text.TextFlow#paintFigure(org.eclipse.draw2d.Graphics)
	 */
	protected void paintFigure( Graphics g )
	{
		paintTo( g, 0, 0 );