features: fix crash due to missing null termination
features: fix crash due to missing null termination

Change-Id: I98b407f9b698307c5a0007b198a734674b33f925
Signed-off-by: Damjan Marion <9141bba8b2efed526e55cf796d48631af330ad98@cisco.com>

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