SettingChimes: private Option struct, use std::array for cbOption

Author: NeroBurner

src/displayapp/screens/settings/SettingChimes.h

@@ -13,24 +13,23 @@ namespace Pinetime {
 
       class SettingChimes : public Screen {
       public:
-        struct Option {
-          Controllers::Settings::ChimesOption chimesOption;
-          const char* name;
-        };
-
         SettingChimes(DisplayApp* app, Pinetime::Controllers::Settings& settingsController);
         ~SettingChimes() override;
 
         void UpdateSelected(lv_obj_t* object, lv_event_t event);
 
       private:
+        struct Option {
+          Controllers::Settings::ChimesOption chimesOption;
+          const char* name;
+        };
         static constexpr std::array<Option, 3> options = {{
           {Controllers::Settings::ChimesOption::None, " Off"},
           {Controllers::Settings::ChimesOption::Hours, " Every hour"},
           {Controllers::Settings::ChimesOption::HalfHours, " Every 30 mins"}
         }};
 
-        lv_obj_t* cbOption[options.size()];
+        std::array<lv_obj_t*, options.size()> cbOption;
 
         Controllers::Settings& settingsController;
       };