selinux: cleanup selinux_xfrm_policy_lookup() and selinux_xfrm_state_pol_flow_match()
selinux: cleanup selinux_xfrm_policy_lookup() and selinux_xfrm_state_pol_flow_match()

Do some basic simplification and comment reformatting.

Signed-off-by: Paul Moore <88a1d58bf22a647dce58dd91f9595600dceabba9@redhat.com>
Signed-off-by: Eric Paris <b0b36e3cd9ea4e5739ff430a3056fabf2fdb0376@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs