FIX:fixed some amscontrol issue

jira:[for fix amscontrol issue]

Change-Id: Id62ffd047403bf80f6aba732b8ce31d782bcea57
(cherry picked from commit 55898ab88ee844dd7da17d992ad8f79e439f96a0)

src/slic3r/GUI/AMSMaterialsSetting.hpp

@@ -118,6 +118,7 @@ public:
     void on_picker_color(wxCommandEvent& color);
     MachineObject* obj{ nullptr };
     int            ams_id { 0 };        /* 0 ~ 3 */
+    int            slot_id { 0 };        /* 0 ~ 3 */
     int            tray_id { 0 };       /* 0 ~ 3 */
 
     std::string    ams_filament_id;