clang-tidy modernize

source/game_logo.cpp

@@ -219,12 +219,12 @@ void GameLogo::enable() {
 }
 
 // Indica si ha terminado la animación
-bool GameLogo::hasFinished() const {
+auto GameLogo::hasFinished() const -> bool {
     return post_finished_counter_ == 0;
 }
 
 // Calcula el desplazamiento vertical inicial
-int GameLogo::getInitialVerticalDesp() {
+auto GameLogo::getInitialVerticalDesp() -> int {
     const float OFFSET_UP = y_;
     const float OFFSET_DOWN = param.game.height - y_;