message: Fix language control not having initial value w/ GTK+
  See related
diff: @@ -136,8 +136,8 @@ void LanguageCtrl::Init(Language lang)
  {
  SetHint(_("Language Code or Name (e.g. en_GB)"));
  - // wxGTK must have the value set before autocompletion to avoid annoying
  - // popups in some (hard to determine) cases.
  + // wxGTK must have the value set before autocompletion (but also after it
  + // below) to avoid annoying popups in some (hard to determine) cases.
  #ifdef __WXGTK__
  if (lang.IsValid())
  SetValue(lang.FormatForRoundtrip());
  @@ -163,11 +163,8 @@ void LanguageCtrl::Init(Language lang)
  m_inited = true;
  - // ...but wxMSW requires the opposite, otherwise the text wouldn't appear.
  -#ifndef __WXGTK__
  if (lang.IsValid())
  SetValue(lang.FormatForRoundtrip());
  -#endif
  }
  void LanguageCtrl::SetLang(const Language& lang)
  