--- a/extlibs/gameswf/gameswf/gameswf_sprite.cpp	2022-02-16 03:30:39.000000000 +0100
+++ -	2023-12-06 00:05:49.469776618 +0100
@@ -170,7 +170,7 @@
 	// none.  Coords are in parent's frame.
 	{
 		if (get_visible() == false) {
-			return NULL;
+			return false;
 		}
 
 		matrix	m = get_matrix();
