deinterlace: fix sign comparison
authorVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Wed, 16 Apr 2014 16:25:44 +0000 (17:25 +0100)
committerVincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Wed, 16 Apr 2014 16:44:51 +0000 (17:44 +0100)
commit46a39bdd4f6876f20472baebc6420b6529894bc6
tree69d8429b1323e069e846a57dae5e16de7e7336c7
parentc6acd6368b145209dba809036f9eb89a58addb00
deinterlace: fix sign comparison

history_count is unsigned, so the whole comparison will be made
as unsigned, and fail to reject what it was meant to.

Coverity 206204
gst/deinterlace/gstdeinterlace.c