This patch fixes issue during dealing with flow
director filter.
Fixes: 6c684f579df5 ("app/testpmd: add or delete flow director filter")
Cc: stable@dpdk.org
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>