LISP: fix fwd entry addition
LISP: fix fwd entry addition

Change-Id: Ibdc9ad21cc53cf0a6d571a3f913038d61d9282a1
Signed-off-by: Filip Tehlar <9891019d6f5d48a43af8fb71dfec78974db6001d@cisco.com>

chrisy/vpp,chrisy/vpp,milanlenco/vpp,FDio/vpp,FDio/vpp,milanlenco/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,milanlenco/vpp,chrisy/vpp,milanlenco/vpp,vpp-dev/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,milanlenco/vpp,milanlenco/vpp,FDio/vpp,vpp-dev/vpp,FDio/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,chrisy/vpp,FDio/vpp