apparmor: replace remaining BUG_ON() asserts with AA_BUG()

AA_BUG() uses WARN and won't break the kernel like BUG_ON().

Signed-off-by: John Johansen <john.johansen@canonical.com>
diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c
index 0c81ff64..87f40fa 100644
--- a/security/apparmor/audit.c
+++ b/security/apparmor/audit.c
@@ -119,7 +119,7 @@ void aa_audit_msg(int type, struct common_audit_data *sa,
 int aa_audit(int type, struct aa_profile *profile, struct common_audit_data *sa,
 	     void (*cb) (struct audit_buffer *, void *))
 {
-	BUG_ON(!profile);
+	AA_BUG(!profile);
 
 	if (type == AUDIT_APPARMOR_AUTO) {
 		if (likely(!aad(sa)->error)) {