$NetBSD: patch-aa,v 1.2 2006/01/02 21:29:37 joerg Exp $

--- mod_throttle.c.orig	Sun Dec  3 04:15:10 2000
+++ mod_throttle.c
@@ -719,7 +719,7 @@ critical_release(t_critical *mp)
 #include <sys/ipc.h>
 #include <sys/sem.h>
 
-#if (defined(__GNU_LIBRARY__) && (!defined(_SEM_SEMUN_UNDEFINED))) || defined(__FreeBSD__) || defined(__NetBSD__)
+#if (defined(__GNU_LIBRARY__) && (!defined(_SEM_SEMUN_UNDEFINED))) || defined(__FreeBSD__) || defined(__DragonFly__)
 /* union semun is defined by including <sys/sem.h> */
 #else
 /* X/OPEN says we have to define it ourselves (twits). */