10138 smatch fixes for usr/src/cmd/sgs

*** 27,36 ****
--- 27,40 ----
   *      Copyright (c) 1988 AT&T
   *        All Rights Reserved
   */
  
  /*
+  * Copyright (c) 2018, Joyent, Inc.
+  */
+ 
+ /*
   * Utility functions
   */
  #include <unistd.h>
  #include <stdio.h>
  #include <stdarg.h>
*** 317,327 ****
   *      cbfunc - NULL, or pointer to function to call if a translation is
   *              successful.
   */
  static int
  str2chr(Lm_list *lml, int ndx, int argc, char **argv, char *arg, int c,
!     const char *opt, size_t optsz, int cbfunc(int))
  {
          if (optsz == 0) {
                  /*
                   * Compare a single option (ie. there's no associated option
                   * argument).
--- 321,331 ----
   *      cbfunc - NULL, or pointer to function to call if a translation is
   *              successful.
   */
  static int
  str2chr(Lm_list *lml, int ndx, int argc, char **argv, char *arg, int c,
!     const char *opt, size_t optsz, int (*cbfunc)(int))
  {
          if (optsz == 0) {
                  /*
                   * Compare a single option (ie. there's no associated option
                   * argument).