selinux: Cleanup printk logging in avc

Replace printk with pr_* to avoid checkpatch warnings.

Signed-off-by: Peter Enderborg <peter.enderborg@sony.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/avc.c

@@ -650,7 +650,7 @@ static int avc_latest_notif_update(struct selinux_avc *avc,
 	spin_lock_irqsave(&notif_lock, flag);
 	if (is_insert) {
 		if (seqno < avc->avc_cache.latest_notif) {
-			printk(KERN_WARNING "SELinux: avc:  seqno %d < latest_notif %d\n",
+			pr_warn("SELinux: avc:  seqno %d < latest_notif %d\n",
 			       seqno, avc->avc_cache.latest_notif);
 			ret = -EAGAIN;
 		}