10100 Illumos is confused about calloc() arguments

@@ -21,13 +21,14 @@
 /*
  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
+/*
+ * Copyright (c) 2018, Joyent, Inc.
+ */
 
-
 #include        <stdlib.h>
 #include        <stdio.h>
 #include        <string.h>
 #include        <proc_service.h>
 #include        <link.h>

@@ -160,11 +161,11 @@
 rd_new(struct ps_prochandle *php)
 {
         rd_agent_t      *rap;
 
         LOG(ps_plog(MSG_ORIG(MSG_DB_RDNEW), php));
-        if ((rap = (rd_agent_t *)calloc(sizeof (rd_agent_t), 1)) == NULL)
+        if ((rap = (rd_agent_t *)calloc(1, sizeof (rd_agent_t))) == NULL)
                 return (0);
 
         rap->rd_psp = php;
         (void) mutex_init(&rap->rd_mutex, USYNC_THREAD, 0);
         if (rd_reset(rap) != RD_OK) {