Bug 176794 Border in pdf is overlap[00]
Details: Border in pdf is overlap[00] Step: Please see the attached report and pdf. Actual result: The border is overlap.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
public void updateRow(RowArea rowArea, int specifiedHeight, boolean finished)
	{
		/*
		 * 1. create row wrapper, and add it to rows
		 * 2. resolve drop conflict, formailize current row.
		 * 3. resolve row height
		 * 
		 */
		hasDropCell = !finished;
		Row lastRow = (Row)rows.getCurrent( );
		if(lastRow==null)
		{
			mergeDropCell( rowArea );
		}
		Row row = new Row(rowArea, start, columnNumber, finished );
		int height = specifiedHeight;
		ArrayList dropCells = new ArrayList();
		
		for(int i=0; i<columnNumber; i++)
		{
			CellArea lastCell = null;
			if(lastRow!=null)
			{
				lastCell = lastRow.getCell( start + i );
			}
			CellArea cell = row.getCell( start + i );
			if(lastCell!=null &&(lastCell.getRowSpan( )>1 || lastCell.getRowSpan( )<0))
			{
				 
				if(cell!=null)