[PATCH v2 3/6] user32: Move unpack_message call to User32CallWindowProc.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
v2: Move even more logic to winproc.c. While this requires exposing more 
details to PE side (all those packed_* structs), it should make 32on64 
easier later. It also fixes WM_COPYDATA (unrelated to above).

  dlls/user32/message.c | 412 +++--------------------------------
  dlls/user32/winproc.c | 486 +++++++++++++++++++++++++++++++++++++++++-
  dlls/win32u/message.c |   2 +
  include/ntuser.h      |   1 +
  4 files changed, 511 insertions(+), 390 deletions(-)