libmix: fix Klocwork issue in parser of h264,vc1,mpeg4

BZ: 73428

fix Klockwork issue in parser

Change-Id: Ib144a599b06b1389c99c3b11267c3fb4b4c47a50
Signed-off-by: ywan171 <yi.a.wang@intel.com>
Reviewed-on: http://android.intel.com:8080/86674
Reviewed-by: Feng, Wei <wei.feng@intel.com>
Reviewed-by: Shi, PingX <pingx.shi@intel.com>
Tested-by: Shi, PingX <pingx.shi@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
3 files changed