Tidy up.

src/security_default.c

@@ -298,15 +298,14 @@ int mosquitto_acl_check_default(struct mosquitto_db *db, struct mosquitto *conte
 		local_acl[len] = '\0';
 
 		mosquitto_topic_matches_sub(local_acl, topic, &result);
+		_mosquitto_free(local_acl);
 		if(result){
 			if(access & acl_root->access){
 				/* And access is allowed. */
-				_mosquitto_free(local_acl);
 				return MOSQ_ERR_SUCCESS;
 			}
 		}
 
-		_mosquitto_free(local_acl);
 
 		acl_root = acl_root->next;
 	}