Bug 195217 [2.1.3]Border is missing on table group cell when preview in PDF[0300][1200]
Description: Get the attached report design file, preview in PDF, the bottom border is missing in table group cell. Build version:2.1.3.v20070702-1703 Steps to reproduce: 1.Get the attached report design. There is a table with group in the layout, and set the "Drop" property to "Detail", and set its border. 2. Preview in pdf, the buttom border is missing. Expected result: No border is missing. Error log: N/A.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
for(int i=start; i<end; i++)
			{
				ICellContent cellContent = report.createCellContent( );
				hint.initUnresolvedCell( cellContent, rowId, i );
				cellContent.setParent( rowContent );
				CellArea cellArea = AreaFactory.createCellArea( cellContent );
				unresolvedRow.addArea( cellArea );
				i = i + cellArea.getColSpan( ) - 1;
			}
		}
	}
	
	public void setUnresolvedRow(Row row)
	{
		this.unresolvedRow = row;
	}
	
	public Row getUnresolvedRow()
	{
		return (Row)rows.getCurrent( );
	}
	
	
	protected int resolveBottomBorder(CellArea cell, boolean isLast)
	{
		IStyle tableStyle = tableContent.getComputedStyle( );
		IContent cellContent = cell.getContent( );
		IStyle columnStyle = getColumnStyle( cell.getColumnID( ) );
		IStyle cellAreaStyle = cell.getStyle( );
		if(isLast)