Fix a couple of things that weren't quite right for not using PN_RX_BUG_WAR - it was freeing memory that may not have been allocated, and unconditionally bzero'ing the mbufs even if the workaround wasn't enabled.
Fix a couple of things that weren't quite right for not using
PN_RX_BUG_WAR - it was freeing memory that may not have been allocated,
and unconditionally bzero'ing the mbufs even if the workaround wasn't
enabled.

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