10088 ldterm_do_ioctl() shouldn't check for a NULL array

*** 19,29 ****
   * CDDL HEADER END
   */
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
!  * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
   * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
   */
  
  /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T      */
  /* All Rights Reserved                                  */
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
!  * Copyright (c) 2018, Joyent, Inc.
   * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
   */
  
  /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T      */
  /* All Rights Reserved                                  */
*** 4597,4607 ****
                          maxbytelen = 4;
                          maxscreenlen = 2;
                  }
  
                  locale_name_sz = 0;
!                 if (csdp->locale_name) {
                          for (i = 0; i < MAXNAMELEN; i++)
                                  if (csdp->locale_name[i] == '\0')
                                          break;
                          /*
                           * We cannot have any string that is not NULL byte
--- 4597,4607 ----
                          maxbytelen = 4;
                          maxscreenlen = 2;
                  }
  
                  locale_name_sz = 0;
! 
                  for (i = 0; i < MAXNAMELEN; i++)
                          if (csdp->locale_name[i] == '\0')
                                  break;
                  /*
                   * We cannot have any string that is not NULL byte
*** 4611,4621 ****
                                  miocnak(q, mp, 0, ERANGE);
                                  return;
                          }
  
                          locale_name_sz = i + 1;
-                 }
  
                  /*
                   * As the final check, if there was invalid codeset_type
                   * given, or invalid byte_length was specified, it's an error.
                   */
--- 4611,4620 ----