Remove c++ guard
libratbag is not a public header, so we don't have to worry about C++ anymore.
#pragma once
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#include <stdlib.h>
#include <stdarg.h>
#include <stdbool.h>
@@ -1951,6 +1947,3 @@ ratbag_led_ref(struct ratbag_led *led);
struct ratbag_led *
ratbag_led_unref(struct ratbag_led *led);
-#ifdef __cplusplus
-}
-#endif
