$OpenBSD: patch-src_disk_io_thread_cpp,v 1.1 2018/04/26 11:30:09 sthen Exp $

From 21d8e9e26b377137612c323992d216be50a547bb Mon Sep 17 00:00:00 2001
From: Xiyue Deng <xiyueden@isi.edu>
Date: Mon, 23 Apr 2018 02:17:47 -0700
Subject: [PATCH] Add missing header <cstdarg> for va_list.

--- src/disk_io_thread.cpp.orig
+++ src/disk_io_thread.cpp
@@ -62,6 +62,7 @@ POSSIBILITY OF SUCH DAMAGE.
 #if __cplusplus >= 201103L || defined __clang__
 
 #if DEBUG_DISK_THREAD
+#include <cstdarg> // for va_list
 #define DLOG(...) debug_log(__VA_ARGS__)
 #else
 #define DLOG(...) do {} while(false)
