[Bug 7710] QueryPerformanceCounter should be independent of system time

http://bugs.winehq.org/show_bug.cgi?id=7710

[e-mail] changed:

What    |Removed                     |Added
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--- Comment #21 from [e-mail] 2012-08-27 13:06:30 CDT ---
As this is still a source of trouble, I attempted to at least partially fix
this behavior by using clock_gettime() on Linux (should be available on Unixes
too). MacOS X needs a Mach-specific mach_absolute_time() function. The proposed
patch builds and works as expected on post-2.6.28 Linux and MacOS X 10.6.
Please note that this patch affects only GetTickCount(), GetTickCount64() and
timeGetTime(), QueryPerformanceCounter() has not been changed.