net/pcap: fix missing Tx interface assignment
net/pcap: fix missing Tx interface assignment

Missing pcap assignment may cause pcap file/interface to be opened
again, and previous one not closed.

Fixes: 1e38a7c66923 ("pcap: fix storage of name and type in queues")

Signed-off-by: Ferruh Yigit <ba8734c3c506d2e3557bd4ac8fdaccd25bdb9aa7@intel.com>
Acked-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>

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