[PATCH 4/7] msvcrt: Validate character in _ismbcl0.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/msvcrt/mbcs.c         | 2 +-
  dlls/msvcrt/tests/string.c | 3 +++
  2 files changed, 4 insertions(+), 1 deletion(-)