tuning boot code to work with VPN

src/org/torproject/android/service/OnBootReceiver.java

@@ -34,6 +34,7 @@ public class OnBootReceiver extends BroadcastReceiver {
 	public void startVpnService (Context context)
     {
         Intent intent = VpnService.prepare(context);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         if (intent != null) {
             context.startActivity(intent);
         }