FTR, commit 7b131b5f202b64708497db1feee95e6570dbeed1 [1] was committed on 2013-02-21 and part of the upstream release 5.0.0. Therefore this bug is fixed in Ubuntu 14.10 (utopic) with libdvdnav 5.0.0-1.
[1] http://git.videolan.org/?p=libdvdnav.git;a=commitdiff;h=7b131b5f202b64708497db1feee95e6570dbeed1
FTR, commit 7b131b5f202b647 08497db1feee95e 6570dbeed1 [1] was committed on 2013-02-21 and part of the upstream release 5.0.0. Therefore this bug is fixed in Ubuntu 14.10 (utopic) with libdvdnav 5.0.0-1.
[1] http:// git.videolan. org/?p= libdvdnav. git;a=commitdif f;h=7b131b5f202 b64708497db1fee e95e6570dbeed1