Fix clang compile errors in plugins
Fix clang compile errors in plugins

Change-Id: I2c2df9b5ba567bde2564c924bd9ad2fbbac775c4
Signed-off-by: Neale Ranns <b9c0e9ef0223633bc2f318425f615cf5840a0be7@cisco.com>

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