demux: ogg: fix use after free (fix #12360)
demux: ogg: fix use after free (fix #12360)

(cherry picked from commit b3664586b7db3bd94fad7dd12b9cad3633eaef1a)
Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2