[PATCH 2/3 v2] msvcrt: Import expf implementation from musl.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  dlls/msvcrt/math.c    | 112 +++++++++++++++++++++++++++++-------------
  dlls/msvcrt/unixlib.c |   9 ----
  dlls/msvcrt/unixlib.h |   1 -
  3 files changed, 78 insertions(+), 44 deletions(-)