10143 smatch fix for ttymon

*** 23,37 ****
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
- 
  #include <stdlib.h>
  #include <stdio.h>
  #include <fcntl.h>
  #include <errno.h>
  #include <poll.h>
--- 23,37 ----
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
+ /*
+  * Copyright (c) 2018, Joyent, Inc.
+  */
  
  
  #include <stdlib.h>
  #include <stdio.h>
  #include <fcntl.h>
  #include <errno.h>
  #include <poll.h>
*** 631,644 ****
   * writes to the pipes by the parent and child process to ensure
   * the parent and child processes have closed all the file descriptors
   * that are not needed any more.
   */
  static void
! pcsync_close(p0, p1, pid, fd)
! int     *p0;
! int     *p1;
! int     pid;
  {
          char    ch;
  
          if (pid == 0) {                         /* Child */
                  struct  pmtab   *tp;
--- 631,641 ----
   * writes to the pipes by the parent and child process to ensure
   * the parent and child processes have closed all the file descriptors
   * that are not needed any more.
   */
  static void
! pcsync_close(int *p0, int *p1, int pid, int fd)
  {
          char    ch;
  
          if (pid == 0) {                         /* Child */
                  struct  pmtab   *tp;