Random cleanup (#861)

Co-authored-by: Seker <murat.seker@barco.com>

libsrc/boblightserver/BoblightClientConnection.h

@@ -30,7 +30,7 @@ public:
 	///
 	/// Destructor
 	///
-	~BoblightClientConnection();
+	~BoblightClientConnection() override;
 
 signals:
 	///

libsrc/boblightserver/BoblightServer.cpp

@@ -59,9 +59,8 @@ void BoblightServer::stop()
 	if ( ! _server->isListening() )
 		return;
 
-	foreach (BoblightClientConnection * connection, _openConnections) {
-		delete connection;
-	}
+	qDeleteAll(_openConnections);
+
 	_server->close();
 
 	Info(_log, "Stopped");