[PATCH 4/6] msvcrt: Import atan2 from musl.

[Piotr Caban]

Signed-off-by: Piotr Caban <piotr(a)codeweavers.com>
---
  dlls/msvcrt/math.c | 71 +++++++++++++++++++++++++++++++++++++++++++---
  1 file changed, 67 insertions(+), 4 deletions(-)