Updated links to the new bugtracker location

src/Main/MainGui.cpp

@@ -184,7 +184,7 @@ 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();
-    // https://sourceforge.net/apps/mantisbt/free-cad/view.php?id=399
+    // 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);