[PATCH 2/3] winebus.sys: Don't do anything in iohid_driver_unload if iohid was not initialized.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/winebus.sys/bus_iohid.c | 4 ++++
  1 file changed, 4 insertions(+)