Fix common/message includes

client/decoder/decoder.hpp

@@ -1,6 +1,6 @@
 /***
     This file is part of snapcast
-    Copyright (C) 2014-2020  Johannes Pohl
+    Copyright (C) 2014-2023  Johannes Pohl
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -16,11 +16,17 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#ifndef DECODER_H
-#define DECODER_H
+#pragma once
+
+
+// local headers
+#include "common/message/codec_header.hpp"
+#include "common/message/pcm_chunk.hpp"
 #include "common/sample_format.hpp"
-#include "message/codec_header.hpp"
-#include "message/pcm_chunk.hpp"
+
+// 3rd party headers
+
+// standard headers
 #include <mutex>
 
 namespace decoder
@@ -40,5 +46,3 @@ protected:
 };
 
 } // namespace decoder
-
-#endif