ROHCv2: fix warning coverage levels wrt addition of ROHCv2 IP/UDP/RTP profile
ROHCv2: fix warning coverage levels wrt addition of ROHCv2 IP/UDP/RTP profile

didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc,didier-barvaux/rohc