net/i40e: fix unexpected skip FDIR setup
net/i40e: fix unexpected skip FDIR setup

In i40e_flow_flush_fdir_filter, i40e_fdir_teardown is called, so
i40e_fdir_setup is required to be called before create a new fdir flow.

Bugzilla ID: 265
Fixes: 2e67a7fbf3ff ("net/i40e: config flow director automatically")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>
Acked-by: Beilei Xing <7fb7e49de6d75fb4140bfcdada52e66859d93ebd@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk