Index: lib/ext2fs/ext2fs.h
===================================================================
--- lib/ext2fs/ext2fs.h.orig	2012-06-04 18:42:23.000000000 +0200
+++ lib/ext2fs/ext2fs.h	2012-06-14 09:53:19.190709779 +0200
@@ -53,6 +53,7 @@ extern "C" {
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
+#include <unistd.h>
 
 #if EXT2_FLAT_INCLUDES
 #include "e2_types.h"