Fix LANG_AUTO for Simplified Chinese

app/app.pro

@@ -359,7 +359,7 @@ RESOURCES += \
     qml.qrc
 
 TRANSLATIONS += \
-    languages/qml_zh_cn.ts \
+    languages/qml_zh_CN.ts \
     languages/qml_de.ts \
     languages/qml_fr.ts \
     languages/qml_nb_NO.ts \

app/resources.qrc

@@ -21,8 +21,8 @@
         <file>languages/qml_de.qm</file>
         <file>languages/qml_fr.ts</file>
         <file>languages/qml_fr.qm</file>
-        <file>languages/qml_zh_cn.ts</file>
-        <file>languages/qml_zh_cn.qm</file>
+        <file>languages/qml_zh_CN.ts</file>
+        <file>languages/qml_zh_CN.qm</file>
         <file>languages/qml_nb_NO.ts</file>
         <file>languages/qml_nb_NO.qm</file>
         <file>languages/qml_ru.ts</file>

app/settings/streamingpreferences.cpp

@@ -202,7 +202,7 @@ QString StreamingPreferences::getSuffixFromLanguage(StreamingPreferences::Langua
     case LANG_FR:
         return "fr";
     case LANG_ZH_CN:
-        return "zh_cn";
+        return "zh_CN";
     case LANG_NB_NO:
         return "nb_NO";
     case LANG_RU: