[TIMOB-12886] table view click event gets fired twice on second navigation when used with tab group.

var tabgr = Ti.UI.createTabGroup();

var win = Ti.UI.createWindow({
	backgroundColor:"green"
});

var win1 = Ti.UI.createWindow({
	backgroundColor:"green"
});

var button = Ti.UI.createButton({
	top:100,
	left:100,
	height:150,
	width:150,
	title:"win open"
});

button.addEventListener("click",function(){
	win.attachedab.open(win1);
});
win.add(button);

var tab1 = Ti.UI.createTab({
	title:"tab",
	window:win
});

win.attachedab = tab1;
// Create a TableView.
var mytable = Ti.UI.createTableView();

// Populate the TableView data.
var data = [
	{title:'Row 1', hasChild:true, color:'red', header:'First'},
	{title:'Row 2', hasDetail:true, color:'green'},
	{title:'Row 3', hasCheck:true, color:'blue', header:'Second'},
	{title:'Row 4', color:'orange'}
];

var dataRows = [];

var row1 = Ti.UI.createTableViewRow({
	height:"150dp"
});
var row2 = Ti.UI.createTableViewRow({
	height:"150dp"
});
var row3 = Ti.UI.createTableViewRow({
	height:"150dp"
});
var row4 = Ti.UI.createTableViewRow({
	height:"150dp"
});


// Create a Label.
var mylable = Ti.UI.createLabel({
	text : 'mylable for testign',
	color : "#C0C0C0",
	font : {fontSize:20},
	height : 150,
	width : 150,
	top : 2,
	left : 2,
	textAlign : 'center'
});
var mylable1 = Ti.UI.createLabel({
	text : 'mylable for testign',
	color : "#C0C0C0",
	font : {fontSize:20},
	height : 150,
	width : 150,
	top : 2,
	left : 2,
	textAlign : 'center'
});
var mylable2 = Ti.UI.createLabel({
	text : 'mylable for testign',
	color : "#C0C0C0",
	font : {fontSize:20},
	height : 150,
	width : 150,
	top : 2,
	left : 2,
	textAlign : 'center'
});
var mylable3 = Ti.UI.createLabel({
	text : 'mylable for testign',
	color : "#C0C0C0",
	font : {fontSize:20},
	height : 150,
	width : 150,
	top : 2,
	left : 2,
	textAlign : 'center'
});

// Add to the parent view.
row1.add(mylable);
row2.add(mylable1);
row3.add(mylable2);
row4.add(mylable3);

dataRows.push(row1,row2,row3,row4);
mytable.setData(dataRows);

// Listen for click events.
mytable.addEventListener('click', function(e) {
	alert('title: \'' + e.row.title + '\', section: \'' + e.section.headerTitle + '\', index: ' + e.index);
});

// Add to the parent view.
win1.add(mytable);
tabgr.addTab(tab1);
tabgr.open();