10121 smatch fix for auditstat

@@ -21,10 +21,14 @@
 /*
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2018, Joyent, Inc.
+ */
+
 #include "statcommon.h"
 
 #include <sys/types.h>
 #include <stdlib.h>
 #include <ctype.h>

@@ -116,12 +120,11 @@
         return (0);
 }
 
 
 static void
-display_stats(s, cnt)
-au_stat_t *s;
+display_stats(au_stat_t *s, int cnt)
 {
         int     offset[12];   /* used to line the header up correctly */
         char    buf[512];
 
         (void) sprintf(buf,