[PATCH] dinput: Use window subclassing to monitor focus looses away from monitored windows. [try 3]

[Vitaliy Margolen]

Please don't apply this and other dinput patches. It doesn't work for
multiply acquired windows. This approach does not handle "nesting" -
when same window is being acquired several times by different devices.

I guess I will have to go back to WINDPROC hook after all.

Vitaliy.