compat: fix 3.10 backport

For archs that do not provide the magic csum function, we need to
provide the generic function. Also, some obscure 3.10s have backported
the int size macros, so we ifndef around that to avoid potentially fatal
warnings.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

0 files changed, 0 insertions, 0 deletions