From f6b31e528487b04c4cdf3b7704b7b497f29d3824 Mon Sep 17 00:00:00 2001
From: Leszek Swirski <leszek@swirski.co.uk>
Date: Thu, 14 Nov 2013 01:13:47 +0000
Subject: [PATCH] Use locale overload of std::isupper

---
 cpp/ycm/Result.cpp | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cpp/ycm/Result.cpp b/cpp/ycm/Result.cpp
index 26b18812..fb4789b8 100644
--- a/cpp/ycm/Result.cpp
+++ b/cpp/ycm/Result.cpp
@@ -21,6 +21,7 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/function.hpp>
 #include <algorithm>
+#include <locale>
 
 using boost::algorithm::istarts_with;
 
@@ -29,9 +30,9 @@ namespace YouCompleteMe {
 namespace {
 
 char ChangeCharCase( char c ) {
-  if ( std::isupper( c ) )
-    return std::tolower( c );
-  return std::toupper( c );
+  if ( std::isupper( c, std::locale() ) )
+    return std::tolower( c, std::locale() );
+  return std::toupper( c, std::locale() );
 }