--- libiodbc-3.52.7/iodbcinst/unicode.h.orig	2009-09-09 14:13:17.000000000 +0200
+++ libiodbc-3.52.7/iodbcinst/unicode.h	2009-10-31 10:15:44.000000000 +0100
@@ -89,6 +89,8 @@
 #define HAVE_TOWLOWER
 #endif
 
+#include "config.h"
+
 #if defined (HAVE_WCHAR_H)
 #include <wchar.h>
 #endif