Release all event semaphores at shutdown also in Windows
srv0start.c, srv0srv.c:
  make test sometimes failed because lock timeout thread exited without decrementing the InnoDB thread counter


innobase/srv/srv0srv.c:
  make test sometimes failed because lock timeout thread exited without decrementing the InnoDB thread counter
innobase/srv/srv0start.c:
  make test sometimes failed because lock timeout thread exited without decrementing the InnoDB thread counter
innobase/os/os0file.c:
  Release all event semaphores at shutdown also in Windows
innobase/os/os0sync.c:
  Release all event semaphores at shutdown also in Windows
innobase/os/os0thread.c:
  Release all event semaphores at shutdown also in Windows
innobase/include/os0sync.h:
  Release all event semaphores at shutdown also in Windows
innobase/include/os0sync.ic:
  Release all event semaphores at shutdown also in Windows
innobase/include/os0thread.h:
  Release all event semaphores at shutdown also in Windows