modify something

include/featherlog/log_outputter.hpp

@@ -1,5 +1,4 @@
-#ifndef FEATHERLOG_LOG_OUTPUTTER_HPP
-#define FEATHERLOG_LOG_OUTPUTTER_HPP
+#pragma once
 
 #include <memory>
 
@@ -11,7 +10,8 @@ namespace flog {
     class FLOG_API LogOutputter {
     public:
         explicit LogOutputter(std::string name, std::unique_ptr<LogFormatter> formatter) noexcept
-            : m_name(std::move(name)), m_logFormatter(std::move(formatter)) {}
+            : m_name(std::move(name)), m_logFormatter(std::move(formatter))
+        {  }
 
         virtual ~LogOutputter() = default;
 
@@ -28,5 +28,3 @@ namespace flog {
         std::unique_ptr<LogFormatter> m_logFormatter;
     };
 }
-
-#endif