[PATCH 3/3] ntdll: Add support for returning previous state argument in event functions.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  dlls/ntdll/sync.c     | 10 +++-------
  dlls/ntdll/tests/om.c |  5 -----
  server/event.c        |  1 +
  server/protocol.def   |  2 ++
  4 files changed, 6 insertions(+), 12 deletions(-)