signal: kill __ARCH_SI_UID_T

it's always __kernel_uid32_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Al Viro 2017-07-09 21:08:13 -04:00 • committed by Eric W. Biederman
commit 4795477b23