More fixes for non-Latin1 characters in external tools.

Now also for Qt4 based Windows builds.

Task-number: QTCREATORBUG-8603
Change-Id: I2f4ccfe85450f272146cc641023b9232f3514836
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

src/plugins/coreplugin/externaltool.cpp

@@ -319,7 +319,8 @@ static void localizedText(const QStringList &locales, QXmlStreamReader *reader,
     } else {
         if (*currentLocale < 0 && currentText->isEmpty()) {
             *currentText = QCoreApplication::translate("Core::Internal::ExternalTool",
-                                                       reader->readElementText().toUtf8().constData());
+                                                       reader->readElementText().toUtf8().constData(),
+                                                       "", QCoreApplication::UnicodeUTF8);
         } else {
             reader->skipCurrentElement();
         }