bpf: nodeport: fix comment
bpf: nodeport: fix comment

tail_nodeport_nat_ipv4() was renamed in commit
6e343142bf22 ("bpf/nodeport: split the cilium call ipv4 nodeport nat").

Signed-off-by: Julian Wiedmann <a70165cc435925071a1d5d2715fcc7eb04666fa4@isovalent.com>

cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium