[PATCH 4/5] include: Introduce ascii_tolower and use it in msvcrt.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/msvcrt/file.c     |  5 +++--
  dlls/msvcrt/mbcs.c     |  6 +++---
  dlls/msvcrt/string.c   | 22 +++++++++++-----------
  include/wine/strings.h |  5 +++++
  4 files changed, 22 insertions(+), 16 deletions(-)