From 177148468ac45c523ccbbf92b108ba80db910d48 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Sun, 16 Sep 2018 19:35:07 +0000
Subject: [PATCH] Fix missing std::runtime_error def in difficulty.cpp

---
 tests/difficulty/difficulty.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/difficulty/difficulty.cpp b/tests/difficulty/difficulty.cpp
index 736a58237..996913a19 100644
--- a/tests/difficulty/difficulty.cpp
+++ b/tests/difficulty/difficulty.cpp
@@ -34,6 +34,7 @@
 #include <iostream>
 #include <vector>
 #include <algorithm>
+#include <stdexcept>
 
 #include "cryptonote_config.h"
 #include "cryptonote_basic/difficulty.h"