[PATCH 2/3] include: Move NULL define to corecrt.h.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  include/msvcrt/corecrt.h | 8 ++++++++
  include/msvcrt/stddef.h  | 8 --------
  include/msvcrt/stdio.h   | 8 --------
  include/msvcrt/stdlib.h  | 8 --------
  include/msvcrt/string.h  | 8 --------
  include/msvcrt/time.h    | 8 --------
  include/msvcrt/wchar.h   | 8 --------
  7 files changed, 8 insertions(+), 48 deletions(-)