--- src/qewaveform.h.orig	Wed Jun 11 18:38:05 2003
+++ src/qewaveform.h	Wed Jun 11 18:38:39 2003
@@ -1,6 +1,7 @@
 #ifndef INCLUDED_QEWAVEFORM_H
 #define INCLUDED_QEWAVEFORM_H
 
+#include <sys/types.h>
 #include <vector>
 
 #include <qwidget.h>