From 6c5696a97697de04ca3d6e21b1eef48ba4a83c51 Mon Sep 17 00:00:00 2001
From: heckflosse <heckflosse67@gmx.de>
Date: Fri, 2 Mar 2018 19:37:08 +0100
Subject: [PATCH] Fixed failed system language detection for de, fr, nl, es,
 it, pt in case locale is != xx_XX, for example it failed for de_AT

---
 rtgui/multilangmgr.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/rtgui/multilangmgr.cc b/rtgui/multilangmgr.cc
index c85d0d7b8..8d2985436 100644
--- a/rtgui/multilangmgr.cc
+++ b/rtgui/multilangmgr.cc
@@ -20,7 +20,6 @@
 
 #include <fstream>
 #include <glib.h>
-
 #ifdef WIN32
 #include <windows.h>
 #include <winnls.h>
@@ -93,7 +92,7 @@ struct LocaleToLang : private std::map<std::pair<Glib::ustring, Glib::ustring>,
         }
 
         // Look for matching language only.
-        iterator = find (key (major));
+        iterator = find (key (major, major.uppercase()));
 
         if (iterator != end ()) {
             return iterator->second;