[PATCH] msvcrt: Use unaligned data types in memset.

[Piotr Caban]

This fixes a regression in memset on ARM described by Martin:
ARM can do 64 bit writes with the STRD instruction, but that
instruction requires a 32 bit aligned address - while these stores
are unaligned.

Signed-off-by: Piotr Caban <piotr(a)codeweavers.com>
---
  dlls/msvcrt/string.c | 32 ++++++++++++++++++--------------
  1 file changed, 18 insertions(+), 14 deletions(-)