tomoyo-pr-20210628

A doc warning fix from ChenXiaoSong.

tomoyo: fix doc warnings

 security/tomoyo/audit.c         |    1 +
 security/tomoyo/securityfs_if.c |    1 +
 security/tomoyo/tomoyo.c        |   12 +++++-------
 security/tomoyo/util.c          |    4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)
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