[PATCH] msvcrt: Add sincos to importlib.

[Jacek Caban]

Fixes cross compilation with GCC 11, which may optimize a pair or sin(), 
cos() calls to a single sincos() call, which is not exported by any 
msvcrt version.

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/msvcrt/mathf.c | 12 ++++++++++++
  1 file changed, 12 insertions(+)