--- ./gnulib/lib/mbuiter.h.old	2007-10-28 21:16:11.000000000 +0100
+++ ./gnulib/lib/mbuiter.h	2007-10-28 21:24:01.000000000 +0100
@@ -92,10 +92,11 @@
 
 #include <assert.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
+#include <stddef.h>
 
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.
    BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before
    <wchar.h>.  */