trace: fix Coverity dead code warnings
trace: fix Coverity dead code warnings

Signed-off-by: Aaron Plattner <7c39395e2e801146cdbd7fb4a41282e4f38db44e@nvidia.com>

mosterta/libvdpau,Distrotech/libvdpau,mosterta/libvdpau,Distrotech/libvdpau,mosterta/libvdpau,Distrotech/libvdpau