$NetBSD$

--- driver/xscreensaver.h.orig	Sat Jun  7 10:22:21 2003
+++ driver/xscreensaver.h
@@ -12,6 +12,7 @@
 #ifndef __XSCREENSAVER_H__
 #define __XSCREENSAVER_H__
 
+#include <signal.h>
 #include <stdlib.h>
 #ifdef HAVE_UNISTD_H
 # include <unistd.h>
