TOMOYO: Remove next_domain from tomoyo_find_next_domain().

We can update bprm->cred->security inside tomoyo_find_next_domain().

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>

diff --cc security/tomoyo/domain.c
Simple merge

diff --cc security/tomoyo/tomoyo.c
Simple merge

diff --cc security/tomoyo/tomoyo.h
Simple merge