Bug 295981 [Forms] FormImages & FormFonts are not disposed correctly
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/Section.java
gc.fillPolygon(new int[] { bounds.width - marginWidth - 3,
				marginHeight, bounds.width - marginWidth, marginHeight,
				bounds.width - marginWidth, marginHeight + 3 });
		gc.setForeground(border);
		if (isExpanded() || (getExpansionStyle() & TITLE_BAR) != 0) {
			
			gc.drawLine(marginWidth, marginHeight + 2, marginWidth + 2,
					marginHeight);
			
			gc.drawLine(marginWidth + 2, marginHeight, bounds.width
					- marginWidth - 3, marginHeight);
			
			gc.drawLine(bounds.width - marginWidth - 3, marginHeight,
					bounds.width - marginWidth - 1, marginHeight + 2);
		} else {
			
			
			gc.drawLine(marginWidth, marginHeight, bounds.width - 1,
					marginHeight);
		}
		if ((getExpansionStyle() & TITLE_BAR) != 0 || isExpanded()) {
			
			gc.fillGradientRectangle(marginWidth, marginHeight + 2, 1,
					gradientheight - 2, true);
			
			gc.fillGradientRectangle(bounds.width - marginWidth - 1,
					marginHeight + 2, 1, gradientheight - 2, true);
		}
		if ((getExpansionStyle() & TITLE_BAR) != 0) {