[PATCH 4/6 v2] msvcrt: Import modff implementation from musl.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/msvcrt/math.c    | 32 +++++++++++++++++++++++++++++++-
  dlls/msvcrt/unixlib.c |  9 ---------
  dlls/msvcrt/unixlib.h |  1 -
  3 files changed, 31 insertions(+), 11 deletions(-)