10887 Missing void cast in wcuwsrv()

*** 20,29 ****
--- 20,30 ----
   */
  
  /*
   * Copyright (c) 1987, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2019 Toomas Soome <tsoome@me.com>
+  * Copyright 2019 Joyent, Inc.
   */
  
  /*
   * "Workstation console" multiplexor driver for Sun.
   *
*** 509,519 ****
                   * expire, current transmission to finish, output to be
                   * restarted, output to finish draining), don't grab anything
                   * new.
                   */
                  if (pvc->vc_flags & (WCS_DELAY|WCS_BUSY|WCS_STOPPED)) {
!                         putbq(q, mp);
                          return (0);
                  }
  
                  switch (mp->b_datap->db_type) {
                  default:        /* drop unknown type */
--- 510,520 ----
                   * expire, current transmission to finish, output to be
                   * restarted, output to finish draining), don't grab anything
                   * new.
                   */
                  if (pvc->vc_flags & (WCS_DELAY|WCS_BUSY|WCS_STOPPED)) {
!                         (void) putbq(q, mp);
                          return (0);
                  }
  
                  switch (mp->b_datap->db_type) {
                  default:        /* drop unknown type */