theoraenc: fix comparison to unset timestamp
authorVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Thu, 10 Apr 2014 09:45:21 +0000 (10:45 +0100)
committerVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Thu, 10 Apr 2014 10:06:00 +0000 (11:06 +0100)
commite7c261ff31119352bd1c022f8d0904a908568ba8
treede86bc27a20a49e0aced69b1e633a7689c44d234
parent55f98974a88455b9e9a80efab7d8164777b46f7a
theoraenc: fix comparison to unset timestamp

Also rejects negative timestamps that aren't GST_CLOCK_TIME_NONE.

Coverity 1139797
ext/theora/gsttheoraenc.c