[PATCH 1/2] msvcrt: Import exp2 implementation from musl.

[Piotr Caban]

Signed-off-by: Piotr Caban 
---
  configure.ac          |   3 -
  dlls/msvcrt/math.c    | 245 +++++++++++++++++++++++++++++++++++++++++-
  dlls/msvcrt/unixlib.c |  13 ---
  dlls/msvcrt/unixlib.h |   1 -
  4 files changed, 242 insertions(+), 20 deletions(-)