server: Make timer id allocation algorithm conform to the Windows one

[Uwe Bonnes]

>>>>> "Dmitry" == Dmitry Timoshkov <dmitry at codeweavers.com> writes:

    Dmitry> Hello, this patch should fix the problem reported in the bug
    Dmitry> 10343. My test which calls SetTimer in an infinite loop shows
    Dmitry> that XP starts to allocate timer ids at 0x7fff and goes
    Dmitry> backwards to 0x101, then restarts from 0x7fff.

Isn't this worth a test suite case?

-- 
Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

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