10130 smatch fixes for usr/src/cmd/fm

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2017, Joyent, Inc. All rights reserved.
   */
  
  #include <fmdump.h>
  #include <stdio.h>
  #include <strings.h>
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 2018, Joyent, Inc.
   */
  
  #include <fmdump.h>
  #include <stdio.h>
  #include <strings.h>
*** 181,191 ****
          if (rp->rec_nrefs != 0)
                  fmdump_printf(fp, "\n  %s\n", efp->do_hdr);
  
          for (i = 0; i < rp->rec_nrefs; i++) {
                  fmdump_printf(fp, "  ");
!                 efp->do_func(lp, &rp->rec_xrefs[i], fp);
          }
  
          fmdump_printf(fp, "\n");
          if (pctl)
                  nvlist_prt(rp->rec_nvl, pctl);
--- 181,191 ----
          if (rp->rec_nrefs != 0)
                  fmdump_printf(fp, "\n  %s\n", efp->do_hdr);
  
          for (i = 0; i < rp->rec_nrefs; i++) {
                  fmdump_printf(fp, "  ");
!                 (void) efp->do_func(lp, &rp->rec_xrefs[i], fp);
          }
  
          fmdump_printf(fp, "\n");
          if (pctl)
                  nvlist_prt(rp->rec_nvl, pctl);