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

*** 18,37 ****
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
   * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  #include        "uucp.h"
  
  #define MAXLENGTH 256
  #define C_MAX     512
  
--- 18,36 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * 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 */
  /*        All Rights Reserved   */
  
  
  #include        "uucp.h"
  
  #define MAXLENGTH 256
  #define C_MAX     512
  
*** 127,143 ****
  rproc()
  {
          FILE *cfd;
          char line[BUFSIZ];
          char *carray[C_MAX];
-         int na;
  
          cfd = fopen(GRADES, "r");
  
          while (rdfulline(cfd, line, BUFSIZ) != 0) {
  
!                 na = getargs(line, carray, C_MAX);
                  insert(carray[0]);
          }
  
          (void) fclose(cfd);
          return;
--- 126,141 ----
  rproc()
  {
          FILE *cfd;
          char line[BUFSIZ];
          char *carray[C_MAX];
  
          cfd = fopen(GRADES, "r");
  
          while (rdfulline(cfd, line, BUFSIZ) != 0) {
  
!                 (void) getargs(line, carray, C_MAX);
                  insert(carray[0]);
          }
  
          (void) fclose(cfd);
          return;