3910 t_look(3NSL) should never return T_ERROR

*** 23,32 ****
--- 23,33 ----
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  /*
   * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
+  * Copyright 2014 Gary Mills
   */
  
  /*
   * Network SNDR/ncall-ip server - based on nfsd
   */
*** 1276,1288 ****
                          if (!is_listen_fd_index(fd))
                                  break;
                          else
                                  goto fdclose;
  
-                 case T_ERROR:
                  default:
!                         if (event == T_ERROR || t_errno == TSYSERR) {
                                  if ((errorstr = strerror(errno)) == NULL) {
                                          (void) snprintf(buf, sizeof (buf),
                                              "Unknown error num %d", errno);
                                          errorstr = (const char *)buf;
                                  }
--- 1277,1288 ----
                          if (!is_listen_fd_index(fd))
                                  break;
                          else
                                  goto fdclose;
  
                  default:
!                         if (t_errno == TSYSERR) {
                                  if ((errorstr = strerror(errno)) == NULL) {
                                          (void) snprintf(buf, sizeof (buf),
                                              "Unknown error num %d", errno);
                                          errorstr = (const char *)buf;
                                  }