include: fix undefined Doxygen references

include/vlc/libvlc.h

@@ -395,7 +395,7 @@ LIBVLC_API void libvlc_log_get_object(const libvlc_log_t *ctx,
 /**
  * Callback prototype for LibVLC log message handler.
  * \param data data pointer as given to libvlc_log_set()
- * \param level message level (@ref enum libvlc_log_level)
+ * \param level message level (@ref libvlc_log_level)
  * \param ctx message context (meta-information about the message)
  * \param fmt printf() format string (as defined by ISO C11)
  * \param args variable argument list for the format

include/vlc/libvlc_media.h

@@ -272,7 +272,7 @@ typedef enum libvlc_media_parse_flag_t
  * The same media item can be opened multiple times. Each time, this callback
  * is invoked. It should allocate and initialize any instance-specific
  * resources, then store them in *datap. The instance resources can be freed
- * in the @ref libvlc_close_cb callback.
+ * in the @ref libvlc_media_close_cb callback.
  *
  * \param opaque private pointer as passed to libvlc_media_new_callbacks()
  * \param datap storage space for a private data pointer [OUT]