--- ./source/apps/thermo/thermo.h.orig	Sat Sep 28 23:52:11 2002
+++ ./source/apps/thermo/thermo.h	Sat Sep 28 23:52:21 2002
@@ -18,6 +18,8 @@
 //
 //  Version: 1.03
 //
+
+#include <sys/types.h>
 
 
 #ifndef THERMO_TYPES