diff -p -up sane-backends-1.0.19/iscan-2.10.0/lib/imgstream.hh~ sane-backends-1.0.19/iscan-2.10.0/lib/imgstream.hh
--- sane-backends-1.0.19/iscan-2.10.0/lib/imgstream.hh~	2007-09-13 00:39:38.000000000 -0400
+++ sane-backends-1.0.19/iscan-2.10.0/lib/imgstream.hh	2008-05-23 10:11:04.000000000 -0400
@@ -44,6 +44,7 @@
 
 #include <dirent.h>
 #include <ltdl.h>
+#include <stdlib.h>
 
 namespace iscan
 {