rdm update every 2 seconds

src/slic3r/GUI/GUI_App.cpp

@@ -46,6 +46,7 @@
 #include "SysInfoDialog.hpp"
 #include "KBShortcutsDialog.hpp"
 #include "UpdateDialogs.hpp"
+#include "RemovableDriveManager.hpp"
 
 #ifdef __WXMSW__
 #include <Shlobj.h>
@@ -271,6 +272,7 @@ bool GUI_App::on_init_inner()
 
         this->obj_manipul()->update_if_dirty();
 
+		RemovableDriveManager::getInstance().update(wxGetLocalTime());
         // Preset updating & Configwizard are done after the above initializations,
         // and after MainFrame is created & shown.
         // The extra CallAfter() is needed because of Mac, where this is the only way