diff -uNr nightfall-1.61/LightGLAnimate.c nightfall-1.61-new/LightGLAnimate.c
--- nightfall-1.61/LightGLAnimate.c	2007-04-11 16:36:40.000000000 -0400
+++ nightfall-1.61-new/LightGLAnimate.c	2007-07-19 15:48:44.000000000 -0400
@@ -25,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
 #include "Light.h"
 
 #ifdef  _WITH_OPENGL