Linux specific Qt5 port

src/Main/MainGui.cpp

@@ -91,11 +91,13 @@ int main( int argc, char ** argv )
     // Make sure to setup the Qt locale system before setting LANG and LC_ALL to C.
     // which is needed to use the system locale settings.
     (void)QLocale::system();
+#if QT_VERSION < 0x050000
     // http://www.freecadweb.org/tracker/view.php?id=399
     // Because of setting LANG=C the Qt automagic to use the correct encoding
     // for file names is broken. This is a workaround to force the use of UTF-8 encoding
     QFile::setEncodingFunction(myEncoderFunc);
     QFile::setDecodingFunction(myDecoderFunc);
+#endif
     // Make sure that we use '.' as decimal point. See also
     // http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=559846
     putenv("LC_NUMERIC=C");