[TIMOB-759] crash on special characters using JS toUpperCase

from premium ticket:

http://helpdesk.appcelerator.net/tickets/1846">http://helpdesk.appcelerator.net/tickets/1846

code

// this sets the background color of the master UIView (when there are no windows/tab groups on it) Titanium.UI.setBackgroundColor('#000');

// create tab group var tabGroup = Titanium.UI.createTabGroup();

var specialChar = "♥Amanda22♥".toUpperCase();

// // create base UI tab and root window // var win = Titanium.UI.createWindow({

title:'Tab',
backgroundColor:'#fff'

});

var tab = Titanium.UI.createTab({

icon:'KS_nav_views.png',
title:'Tab',
window:win

});

// // add tabs // tabGroup.addTab(tab);

// open tab group tabGroup.open();