MFC r1.8   Fix a panic where if the mbuf was consumed by the filter for requeueing   (dummynet), ipsec_filter() would return the empty error code and the ipsec   code would continue to forward/deference the null mbuf.
MFC r1.8
  Fix a panic where if the mbuf was consumed by the filter for requeueing
  (dummynet), ipsec_filter() would return the empty error code and the ipsec
  code would continue to forward/deference the null mbuf.

Approved by:	re (gnn)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase