vfs mock: Proble nullfs last
diff --git a/src/vfs.c b/src/vfs.c
index f4c7851..0f7ad08 100644
--- a/src/vfs.c
+++ b/src/vfs.c
@@ -11,9 +11,9 @@
 	int (*dir_func) (char *dirname);
 	int (*close_func) (void);
 } static const fsys_table[] = {
-	{ "nullfs", nullfs_mount, nullfs_read, nullfs_dir, NULL },
 	{ "ext2", ext2fs_mount, ext2fs_read, ext2fs_dir, NULL },
 	{ "iso9660", iso9660_mount, iso9660_read, iso9660_dir, NULL },
+	{ "nullfs", nullfs_mount, nullfs_read, nullfs_dir, NULL },
 };
 
 static const size_t fsys_table_length = sizeof(fsys_table) / sizeof(fsys_table[0]);