Replaced SPDLOG_FINAL macro with final

include/spdlog/sinks/stdout_sinks.h

@@ -18,7 +18,7 @@ namespace spdlog {
 namespace sinks {
 
 template<typename TargetStream, typename ConsoleMutex>
-class stdout_sink SPDLOG_FINAL : public sink
+class stdout_sink final : public sink
 {
 public:
     using mutex_t = typename ConsoleMutex::mutex_t;