--- mount/swapon.c.orig	2004-05-07 15:21:06.909712000 +0000
+++ mount/swapon.c	2004-05-07 15:21:28.319712000 +0000
@@ -21,6 +21,7 @@
 #include <mntent.h>
 #include <errno.h>
 #include <sys/stat.h>
+#include <unistd.h>
 #include "swap_constants.h"
 #include "swapargs.h"
 #include "nls.h"