examples/ip_pipeline: fix leak on connection error
examples/ip_pipeline: fix leak on connection error

Closing the fd_server file descriptor on error to fix the resource leak.

Coverity issue: 272587
Fixes: 4bbf8e30aa5e ("examples/ip_pipeline: add CLI interface")

Signed-off-by: Kevin Laatz <961b59698dfa2327ef66e48c81ae3315f5733fd1@intel.com>
Reviewed-by: Jasvinder Singh <97b766ecf460b59e2781d4fc0469065206870f5c@intel.com>

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