[PATCH 1/7 v2] msvcrt: Make the coshf function NAN preserving

[Piotr Caban]

From: Martin Storsjo <martin(a)martin.st>

Signed-off-by: Martin Storsjo <martin(a)martin.st>
Signed-off-by: Piotr Caban <piotr(a)codeweavers.com>
---
v2:
  - style changes
  - fixed NAN recognition in if statements
  - test signaling bit
  - split the patch

  dlls/msvcrt/math.c | 6 +++++-
  1 file changed, 5 insertions(+), 1 deletion(-)