[TIMOB-3609] iOS: TableViewRow's backgroundGradient shows gaps when scrolled quickly

var win = Ti.UI.createWindow();
var table = Ti.UI.createTableView({
	backgroundColor: '#F00'
});

for(var i = 0; i < 50; i++) {
	var row = Ti.UI.createTableViewRow({
		backgroundGradient: {
			type:'linear',
			colors:['#FFF','#CCC'],
			startPoint:{x:0,y:'0%'},
			endPoint:{x:0,y:'100%'}
		},
		height: Math.ceil(70*(1+Math.random()))
	});
	
	table.appendRow(row);
}

win.add(table);

win.open();