[PATCH 4/7] win32u: Move NtUserChangeClipboardChain implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  dlls/user32/clipboard.c      | 27 ---------------------------
  dlls/user32/user32.spec      |  2 +-
  dlls/win32u/clipboard.c      | 26 ++++++++++++++++++++++++++
  dlls/win32u/gdiobj.c         |  1 +
  dlls/win32u/win32u.spec      |  2 +-
  dlls/win32u/win32u_private.h |  1 +
  dlls/win32u/wrappers.c       |  6 ++++++
  include/ntuser.h             |  1 +
  8 files changed, 37 insertions(+), 29 deletions(-)