--- include/main.h.orig	2012-01-30 23:27:53.230334632 -0600
+++ include/main.h	2012-01-30 23:28:26.241530184 -0600
@@ -4,6 +4,8 @@
 #include "AL/alure.h"
 #include "alext.h"
 
+#include <unistd.h>
+
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif