Fix raw interface parameters quoting #281

Job	Run time
check / clang-checks	1m 42s
check / editor-config	7s
build-os-matrix	2s
build (oraclelinux:9) / build	2m 3s
make-tests (oraclelinux:9) / tests	1m 51s
rpm-build (oraclelinux:9) / rpm-build	6m 1s
ipfix-elements-check / ipfix-elements-checks	48s
rpm-install (oraclelinux:9) / rpm-install	1m 16s
	13m 50s

Provide feedback