libvlc_media: fix documentation.

(cherry picked from commit 6b0dd9ac)
Signed-off-by: Rémi Duraffort <ivoire@videolan.org>

include/vlc/libvlc_media.h

@@ -401,7 +401,7 @@ libvlc_media_parse(libvlc_media_t *media);
  * Parse a media.
  *
  * This fetches (local) meta data and tracks information.
- * The method is the asynchronous of libvlc_media_parse_async().
+ * The method is the asynchronous of libvlc_media_parse().
  *
  * To track when this is over you can listen to libvlc_MediaParsedChanged
  * event. However if the media was already parsed you will not receive this