[PATCH 1/3] winebus.sys: Don't do anything in udev_driver_unload if udev was not initialized.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/winebus.sys/bus_udev.c | 3 +++
  1 file changed, 3 insertions(+)