fixed port forwarding in srv6 service renderer (problem with not processing all forwarding ports but only one forwarding port)
fixed port forwarding in srv6 service renderer (problem with not processing all forwarding ports but only one forwarding port)

Signed-off-by: Filip Gschwandtner <8d9a3eb06cdc27e911f7eda75e0d2498e8321f79@pantheon.tech>

brecode/vpp,rastislavszabo/vpp,rastislavszabo/vpp,rastislavszabo/vpp,brecode/vpp,brecode/vpp,rastislavszabo/vpp,rastislavszabo/vpp,rastislavszabo/vpp,brecode/vpp,rastislavszabo/vpp,brecode/vpp