[PATCH 4/5] win32u: Move null user driver implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/user32/driver.c | 209 +----------------------------
  dlls/win32u/driver.c | 310 ++++++++++++++++++++++++++++++++++++++++++-
  2 files changed, 310 insertions(+), 209 deletions(-)