Audit AUE_MAC_EXECVE; currently just the standard AUE_EXECVE arguments

and not the label.

Obtained from:	TrustedBSD Project
Sponsored by:	Apple, Inc.
MFC after:	1 week

sys/security/audit/audit_bsm.c

@@ -791,6 +791,7 @@ kaudit_to_bsm(struct kaudit_record *kar, struct au_record **pau)
 		/* FALLTHROUGH */
 
 	case AUE_EXECVE:
+	case AUE_MAC_EXECVE:
 		if (ARG_IS_VALID(kar, ARG_ARGV)) {
 			tok = au_to_exec_args(ar->ar_arg_argv,
 			    ar->ar_arg_argc);