10125 smatch fixes for cmd-inet

*** 21,31 ****
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
! #pragma ident   "%Z%%M% %I%     %E% SMI"
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <stddef.h>
  #include <errno.h>
--- 21,33 ----
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
! /*
!  * Copyright (c) 2018, Joyent, Inc.
!  */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <stddef.h>
  #include <errno.h>
*** 2749,2760 ****
  
                  if ((p_section == NULL) || (plist == NULL))
                          return (B_FALSE);
                  pae = plist->ael_head;
                  while (pae != NULL) {
                          free(pae);
!                         pae = pae->ae_next;
                  }
                  plist->ael_head = plist->ael_tail = NULL;
                  plist->ael_argc = 0;
          } else if (gp_config_file != NULL) {
                  for (i = 0; i < argc; i++) {
--- 2751,2763 ----
  
                  if ((p_section == NULL) || (plist == NULL))
                          return (B_FALSE);
                  pae = plist->ael_head;
                  while (pae != NULL) {
+                         ae_t *next = pae->ae_next;
                          free(pae);
!                         pae = next;
                  }
                  plist->ael_head = plist->ael_tail = NULL;
                  plist->ael_argc = 0;
          } else if (gp_config_file != NULL) {
                  for (i = 0; i < argc; i++) {