Security: Fix some coding styles in security/keys/keyring.c

Fix some coding styles in security/keys/keyring.c
Signed-off-by: NZhitong Wang <zhitong.wangzt@alibaba-inc.com>
Signed-off-by: NJames Morris <jmorris@namei.org>

security/keys/keyring.c

@@ -170,12 +170,10 @@ static void keyring_describe(const struct key *keyring, struct seq_file *m)
 {
 	struct keyring_list *klist;
 
-	if (keyring->description) {
+	if (keyring->description)
 		seq_puts(m, keyring->description);
-	}
-	else {
+	else
 		seq_puts(m, "[anon]");
-	}
 
 	rcu_read_lock();
 	klist = rcu_dereference(keyring->payload.subscriptions);