diff -r 9e1d0816a1ed -r 1fc6ad6e7c7a src/foreign/vigra/vigra/multi_iterator.hxx
--- a/src/foreign/vigra/vigra/multi_iterator.hxx	Mon Jan 24 21:37:53 2011 +0100
+++ b/src/foreign/vigra/vigra/multi_iterator.hxx	Tue Jan 25 21:14:13 2011 +0000
@@ -41,6 +41,7 @@
 #define VIGRA_MULTI_ITERATOR_HXX
 
 #include <sys/types.h>
+#include <stddef.h>
 #include "tinyvector.hxx"
 #include "iteratortags.hxx"