Merge OpenBSM 1.0 from HEAD to RELENG_7:

• Fix bug in auditreduce(8) which resulted in a memory fault/crash when the user specified an event name with -m.
• Remove AU_.* hard-coded audit class constants, as audit classes are now entirely dynamically configured using /etc/security/audit_class.
  
  Obtained from: TrustedBSD Project

Approved by: re (kensmith)