message: add icon for sort menu
diff: @@ -259,6 +259,7 @@ void MainUI::setupIcons(){
  // View menu
  ui->actionRefresh->setIcon( LXDG::findIcon("view-refresh","") );
  ui->menuView_Mode->setIcon( LXDG::findIcon("view-choose","") );
  + ui->menuSort_Mode->setIcon(LXDG::findIcon("list-spacing","") );
  // Bookmarks menu
  ui->actionManage_Bookmarks->setIcon( LXDG::findIcon("bookmarks-organize","") );
  