Signed-off-by: Marcus Meissner <marcus@jet.franken.de>

This fixes a hang in Microsoft Visual C++ 1.52 installation.

Signed-off-by: Eric Pouech <epouech@codeweavers.com>

Signed-off-by: Eric Pouech <epouech@codeweavers.com>

In clock_change_state() when a clock is running, a timer is removed from clock->timers. The same
timer is then used to create an async result, which will eventually calls present_clock_timer_callback_Invoke()
and release the same timer. Check if the timer is still in clock->timers before releasing it.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55528

Keeping the segment state referenced until its playback ends.