notifyosd plugin : exception on track tags changed

[Rocco Aliberti]

r4327

Traceback (most recent call last):
  File "/home/xxx/exaile/xl/event.py", line 262, in emit
    event.data, *cb.args, **cb.kwargs)
  File "/home/xxx/exaile/plugins/notifyosd/__init__.py", line 160, in on_changed
    if self.notify_change and not tag.startswith('__') and track == player.current:
AttributeError: 'module' object has no attribute 'current'
 (xl.event)

[Dustin Spicuzza (dustin-virtualroadside)]

Fixed in r4328

[Dustin Spicuzza (dustin-virtualroadside)]

Fixed in r4301 in 3.3.x