-VLC_EXPORT( msg_subscription_t*, msg_Subscribe, ( libvlc_int_t *, msg_callback_t, msg_cb_data_t * ) );
+VLC_EXPORT( msg_subscription_t*, msg_Subscribe, ( libvlc_int_t *, msg_callback_t, msg_cb_data_t * ) LIBVLC_USED );
/* Enable or disable a certain object debug messages */
VLC_EXPORT( void, msg_EnableObjectPrinting, ( vlc_object_t *, const char * psz_object ) );
/* Enable or disable a certain object debug messages */
VLC_EXPORT( void, msg_EnableObjectPrinting, ( vlc_object_t *, const char * psz_object ) );