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

*** 1,6 ****
--- 1,7 ----
  /*
+  * Copyright 2017 Gary Mills
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
*** 10,22 ****
   * Copyright (c) 1980 Regents of the University of California.
   * All rights reserved. The Berkeley software License Agreement
   * specifies the terms and conditions for redistribution.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
  
- 
  #include <stdio.h>
  #include <ctype.h>
  
  extern char gfile[];
  
--- 11,21 ----
*** 24,34 ****
  grepcall(char *in, char *out, char *arg)
  {
          char line[200], *s, argig[100], *cv[50];
          char *inp, inb[500];
          FILE *qf, *gf;
!         int c, oldc = 0, alph = 0, nv = 0;
          int sv0, sv1;
          strcpy(argig, arg);
          strcat(argig, ".ig");
          strcpy(inp = inb, in);
          if (gfile[0] == 0)
--- 23,33 ----
  grepcall(char *in, char *out, char *arg)
  {
          char line[200], *s, argig[100], *cv[50];
          char *inp, inb[500];
          FILE *qf, *gf;
!         int c, alph = 0, nv = 0;
          int sv0, sv1;
          strcpy(argig, arg);
          strcat(argig, ".ig");
          strcpy(inp = inb, in);
          if (gfile[0] == 0)
*** 45,55 ****
                  alph = (c == 0) ? 0 : alph+1;
                  if (alph == 1)
                          cv[nv++] = inp;
                  if (alph > 6)
                          *inp = 0;
-                 oldc = c;
          }
  #if D1
          fprintf(stderr, "%d args set up\n", nv);
  #endif
          {
--- 44,53 ----