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-rw-r--r--sys/arch/amd64/amd64/lock_machdep.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/amd64/amd64/lock_machdep.c b/sys/arch/amd64/amd64/lock_machdep.c
index a8e9946dee9..5d15d2b74c0 100644
--- a/sys/arch/amd64/amd64/lock_machdep.c
+++ b/sys/arch/amd64/amd64/lock_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: lock_machdep.c,v 1.8 2015/03/14 03:38:46 jsg Exp $ */
+/* $OpenBSD: lock_machdep.c,v 1.9 2015/06/25 00:58:49 dlg Exp $ */
/*
* Copyright (c) 2007 Artur Grabowski <art@openbsd.org>
@@ -24,6 +24,8 @@
#include <machine/lock.h>
#include <machine/cpufunc.h>
+#include <ddb/db_output.h>
+
void
__mp_lock_init(struct __mp_lock *mpl)
{