[TIMOB-4146] Android: aborting large file download crashes app with NullPointerException

[TRACE] W/dalvikvm( 830): threadid=10: thread exiting with uncaught exception (group=0x4001d800)
[TRACE] E/TiUncaughtHandler( 830): (TiHttpClient-1) [4,18096] Sending event: exception on thread: TiHttpClient-1 msg:java.lang.NullPointerException; Titanium 1.6.2,2011/04/18 17:16,78906d
[TRACE] E/TiUncaughtHandler( 830): java.lang.NullPointerException
[TRACE] E/TiUncaughtHandler( 830): at ti.modules.titanium.network.TiHTTPClient$ClientRunnable.run(TiHTTPClient.java:1009)
[TRACE] E/TiUncaughtHandler( 830): at java.lang.Thread.run(Thread.java:1096)
[TRACE] E/AndroidRuntime( 830): FATAL EXCEPTION: TiHttpClient-1
[TRACE] E/AndroidRuntime( 830): java.lang.NullPointerException
[TRACE] E/AndroidRuntime( 830): at ti.modules.titanium.network.TiHTTPClient$ClientRunnable.run(TiHTTPClient.java:1009)
[TRACE] E/AndroidRuntime( 830): at java.lang.Thread.run(Thread.java:1096)
[TRACE] W/ActivityManager( 60): Force finishing activity com.appcelerator.test1/.Test1Activity

var win = Titanium.UI.createWindow();

var ind=Titanium.UI.createProgressBar({
	width:200,
	height:50,
	min:0,
	max:1,
	value:0,
	top:10,
	message:'Downloading ' + (Ti.Platform.name == 'android' ? 'PNG' : 'PDF') + ' File',
	font:{fontSize:12, fontWeight:'bold'},
	color:'#888'
});

win.add(ind);
ind.show();

var abort = Titanium.UI.createButton({
	title:'Abort',
	height:40,
	width:200,
	top:170
});
win.add(abort);
abort.addEventListener('click', function()
{
	c.abort();
	ind.value = 0;
});

var largeFile = Titanium.UI.createButton({
	title:'Large File Download',
	height:40,
	width:200,
	top:220
});
win.add(largeFile);

largeFile.addEventListener('click', function()
{
	ind.value = 0;
	c = Titanium.Network.createHTTPClient();
	var myAbort = function(e){
		Ti.API.info('Aborted!!!');
		c.abort();
	}
	
	c.setTimeout(10000);
	c.onload = function(e)
	{
		Ti.API.info("ONLOAD = "+e);
	};
	c.ondatastream = function(e)
	{
		ind.value = e.progress ;
		Ti.API.info('ONDATASTREAM1 - PROGRESS: ' + e.progress);
		if(e.progress > .02){
			myAbort();
		}
	};
	c.onerror = function(e)
	{
		Ti.UI.createAlertDialog({title:'XHR', message:'Error: ' + e.error}).show();
	};

	c.open('GET','http://www.appcelerator.com/download-win32');
	c.send();
});

win.open();