winedos: Improve PIT emulation.

[Alexandre Julliard]

Florian Tobias Schandinat <FlorianSchandinat at gmx.de> writes:

> +    /* Convert: time counter -> PIT counter
> +     * GetSystemTimeAsFileTime:    10000000 Hz
> +     * PIT frequency:               1193182 Hz */
> +    val = (DWORD)(val - delta*1193182./10000000.) % (maxval + 1);

You should probably use QueryPerformanceCounter as it already uses the
correct frequency.

-- 
Alexandre Julliard
julliard at winehq.org