[PATCH 3/6] win32u: Move NtUserPostMessage implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  dlls/user32/message.c        | 673 +----------------------------------
  dlls/user32/user_main.c      |   1 -
  dlls/win32u/gdiobj.c         |   1 +
  dlls/win32u/message.c        |  30 +-
  dlls/win32u/ntuser_private.h |   1 -
  dlls/win32u/win32u.spec      |   2 +-
  dlls/win32u/win32u_private.h |   1 +
  dlls/win32u/wrappers.c       |   6 +
  8 files changed, 37 insertions(+), 678 deletions(-)