-entity spawnmonster (string monster, float monster_id, entity spawnedby, entity own, vector orig, float respwn, float moveflag);
+#ifndef SPAWN_H
+#define SPAWN_H
+
+entity spawnmonster (string monster, float monster_id, entity spawnedby, entity own, vector orig, float respwn, float invincible, float moveflag);
+#endif