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/LabelFigure.java
return new Dimension(Math.max(dim.width, rx), Math.max(dim.height, ry));
	}
	private int calcMaxSegment() {
		String text = label.getText();
		char[] chars = text.toCharArray();
		int position = 0;
		int maxWidth = 0;
		for (int i = 0; i < chars.length; i++) {
			if (canBreakAfter(chars[i])) {
				int tempMaxWidth;
				String st = text.substring(position, i + 1);
				tempMaxWidth = FigureUtilities.getStringExtents(st, getFont()).width;
				if (tempMaxWidth > maxWidth) {
					maxWidth = tempMaxWidth;
				}
				position = i;
			}
		}
		String st = text.substring(position, chars.length);
		int tempMaxWidth = FigureUtilities.getStringExtents(st, getFont()).width;
		if (tempMaxWidth > maxWidth) {
			maxWidth = tempMaxWidth;
		}
		return maxWidth;
	}
	static final BreakIterator LINE_BREAK = BreakIterator.getLineInstance();
	static boolean canBreakAfter(char c) {
		boolean result = Character.isWhitespace(c) || c == '-';
		if (!result && (c < 'a' || c > 'z')) {