net/ixgbe: fix fdir mask not be reset
net/ixgbe: fix fdir mask not be reset

When the last fdir flow be destroyed, the flag "mask_added"
should be reset, so the remain mask info will not take effect
when a new flow be added.

Fixes: a14de8b498d1 ("net/ixgbe: destroy consistent filter")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>
Acked-by: Wenzhuo Lu <58cb9036bdff9a5412edc3b9f70e105ccf59954f@intel.com>

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