[TIMOB-6654] iOS: Picker Column with mixed row types crashes app

var win = Ti.UI.createWindow();

var picker = Ti.UI.createPicker({
		top: 50,
		left: 0,
		right: 0,
		selectionIndicator: true
	});

	win.add(picker);

	var oCountryRows = [];

	var colCountries = Ti.UI.createPickerColumn({
		width: 100
});
//////WILL CRASH APP/////////////
	var rowAny = Ti.UI.createPickerRow({
		fontSize: 12,
		font: {fontSize:12},
		id: 0,
		title: 'Any'
	});
///////////////////////////////////	

//////WORKS FINE///////////////////
	// var rowAny = Ti.UI.createPickerRow();
	// var coAnyLabel = Ti.UI.createLabel({
		// text:'Any',
		// color:'#000',
		// textAlign:'center',
		// font:{fontWeight:'bold', fontSize:12}
	// });
	// rowAny.add(coAnyLabel);
//////////////////////////////////////
	colCountries.addRow(rowAny);
	oDataCountry = [
		{id:0,name:'England'}, 
		{id:1,name:'France'},
		{id:2,name:'Scotland'},
		{id:3,name:'South-Africa'},
		{id:4,name:'Turkey'},
		{id:5,name:'Wales'}
	];
	for(var i=0;i<oDataCountry.length;i++) {
		var row = Ti.UI.createPickerRow({
			id:oDataCountry[i].id
		});
		var txt = Ti.UI.createLabel({height:30, width:80,text:oDataCountry[i].name, color:'#000'});

		row.add(txt);

		colCountries.addRow(row);
	}

	picker.add([colCountries]);

win.open();