From 6fe5885fe49e52722bc70f9c6077f51944df3590 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Mon, 19 Mar 2018 07:09:49 -0400
Subject: [PATCH] Warning suppress

---
 lib/json/json.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/json/json.hpp b/lib/json/json.hpp
index fb52a265..3f5c2b19 100644
--- a/lib/json/json.hpp
+++ b/lib/json/json.hpp
@@ -2784,7 +2784,7 @@ scan_number_done:
         std::string result;
         for (auto c : s)
         {
-            if (c == '\0' or c == std::char_traits<char>::eof())
+	  if (c == '\0' or ((int)c) == std::char_traits<char>::eof())
             {
                 // ignore EOF
                 continue;