8485 Remove set but unused variables in usr/src/cmd

*** 17,26 ****
--- 17,27 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2017 Gary Mills
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include <stdio.h>
*** 52,64 ****
  int
  main(int argc, char **argv)
  {
          const char      *opts = "itv";
          int             c;
-         boolean_t       opt_i = B_FALSE;
-         boolean_t       opt_t = B_FALSE;
-         boolean_t       opt_v = B_FALSE;
          LibHalContext   *hal_ctx;
          DBusError       error;
          rmm_error_t     rmm_error;
          int             ret = 0;
  
--- 53,62 ----
*** 65,81 ****
          vold_init(argc, argv);
  
          while ((c = getopt(argc, argv, opts)) != EOF) {
                  switch (c) {
                  case 'i':
-                         opt_i = B_TRUE;
                          break;
                  case 't':
-                         opt_t = B_TRUE;
                          break;
                  case 'v':
-                         opt_v = B_TRUE;
                          break;
                  default:
                          usage();
                          return (1);
                  }
--- 63,76 ----