From 24544b473abffc0383d43a407348548a373eadeb Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 5 Sep 2001 18:19:09 +0000
Subject: [PATCH] Include <sys/_lock.h> for the definition of struct
 lock_object.  Don't understand why this wasn't added when _mutex.h was added.

Noticed by:	jlemon
---
 sys/sys/sx.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/sys/sx.h b/sys/sys/sx.h
index ee6ac736d653..42b269ffc9ee 100644
--- a/sys/sys/sx.h
+++ b/sys/sys/sx.h
@@ -31,6 +31,7 @@
 #define	_SYS_SX_H_
 
 #ifndef	LOCORE
+#include <sys/_lock.h>
 #include <sys/_mutex.h>
 #include <sys/condvar.h>	/* XXX */