From e8373ffa4c5296e094533322dd0eca45723142ee Mon Sep 17 00:00:00 2001
From: jacob1 <jfu614@gmail.com>
Date: Thu, 17 May 2018 21:31:26 -0400
Subject: [PATCH] mac compile fix

---
 src/common/String.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/common/String.h b/src/common/String.h
index a709e83c5..06889a2b8 100644
--- a/src/common/String.h
+++ b/src/common/String.h
@@ -510,7 +510,7 @@ public:
 		String value(*this);
 		for(value_type &ch : value)
 			if(ch <= std::numeric_limits<ByteString::value_type>::max())
-				ch = std::tolower(ch, loc);
+				ch = std::tolower(static_cast<ByteString::value_type>(ch), loc);
 		return value;
 	}
 
@@ -520,7 +520,7 @@ public:
 		String value(*this);
 		for(value_type &ch : value)
 			if(ch <= std::numeric_limits<ByteString::value_type>::max())
-				ch = std::toupper(ch, loc);
+				ch = std::toupper(static_cast<ByteString::value_type>(ch), loc);
 		return value;
 	}