contrib: dvdnav: fix some mismatched reference index/available elements
Fixes crashes in a DVD found by @fkuehne
MR sent upstream: libdvdnav!57 (merged)
Edited by Steve Lhomme
Fixes crashes in a DVD found by @fkuehne
MR sent upstream: libdvdnav!57 (merged)
VideoLAN code repository instance