Author: Daniel Baumann <daniel.baumann@progress-linux.org>
Description: Adding missing header include in reexport to fix FTBFS.

diff -Naurp nfs-utils.orig/support/reexport/reexport.c nfs-utils/support/reexport/reexport.c
--- nfs-utils.orig/support/reexport/reexport.c
+++ nfs-utils/support/reexport/reexport.c
@@ -8,6 +8,7 @@
 #include <sys/types.h>
 #include <sys/vfs.h>
 #include <errno.h>
+#include <stddef.h>
 
 #include "nfsd_path.h"
 #include "conffile.h"