Initialize user process audit ID to AU_DEFAUDITID so that init and its pre-authentication children are covered by naflags.
Initialize user process audit ID to AU_DEFAUDITID so that init and
its pre-authentication children are covered by naflags.

Obtained from:	TrustedBSD Project

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