Prep for C++ port

src/avclan/avclandrv.h

@@ -6,8 +6,7 @@
 // Umbrella header for the avclan library. Consumers (e.g. the app in
 // src/sniffer.c) include this single header to pull in the whole AVC-LAN stack.
 
-#ifndef __AVCLANDRV_H
-#define __AVCLANDRV_H
+#pragma once
 
 #include "avclan_defs.h"
 #include "avclan_frame.h"
@@ -16,5 +15,3 @@
 #include "cdchanger.h"
 #include "mediacontrol.h"
 #include "statustimer.h"
-
-#endif // __AVCLANDRV_H