[win32k]

[win32k]
- Change percision of win32k timers to 0.5 miliseconds.
- Remove Destroy parameter from FindTimer as it is just odd and call RemoveTimer where needed.
- PostTimerMessages: No need to continue looping the remainder of the timers once the target timer has been found and message posted to message queue.

svn path=/trunk/; revision=47906