[IPV6]: Convert cork.hop_limit and cork.tclass into u8 instead of int.

Values of those fields are always between 0 and 255 (inclusive),
so use u8 and save some memory on 32bit systems.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
This commit is contained in:
YOSHIFUJI Hideaki 2008-03-10 04:41:33 -04:00
commit 4725474584