Fixed regression on recommendation engine

src/libs/scanner/impl/MediaScanner.hpp

@@ -50,8 +50,6 @@ class MediaScanner : public IMediaScanner
 		MediaScanner& operator=(const MediaScanner&) = delete;
 		MediaScanner& operator=(MediaScanner&&) = delete;
 
-		void start() override;
-		void stop() override;
 		void requestReload() override;
 		void requestImmediateScan(bool force) override;
 
@@ -64,6 +62,9 @@ class MediaScanner : public IMediaScanner
 
 	private:
 
+		void start();
+		void stop();
+
 		// Job handling
 		void scheduleNextScan();
 		void scheduleScan(bool force, const Wt::WDateTime& dateTime = {});