[PATCH 4/6] win32u: Move send_internal_message_timeout implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  dlls/user32/message.c        |  43 +-
  dlls/user32/user_main.c      |   2 +-
  dlls/user32/user_private.h   |   5 +-
  dlls/win32u/hook.c           |  14 +-
  dlls/win32u/message.c        | 768 +++++++++++++++++++++++++++++++++++
  dlls/win32u/ntuser_private.h |   3 +-
  dlls/win32u/win32u_private.h |   3 +
  7 files changed, 783 insertions(+), 55 deletions(-)