OS-1840 fmdump shall emit JSON (newlines, fflush)

*** 76,88 ****
  
  /*
   * Thin wrapper around libnvpair's inbuilt JSON routine.  Simply dumps the
   * entire log record nvlist without any reformatting.
   */
  int
  fmdump_print_json(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
  {
!         nvlist_print_json(fp, rp->rec_nvl);
!         fprintf(fp, "\n");
  
          return (0);
  }
--- 76,91 ----
  
  /*
   * Thin wrapper around libnvpair's inbuilt JSON routine.  Simply dumps the
   * entire log record nvlist without any reformatting.
   */
+ 
+ /*ARGSUSED*/
  int
  fmdump_print_json(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
  {
!         if (nvlist_print_json(fp, rp->rec_nvl) || fprintf(fp, "\n") < 0 ||
!             fflush(fp) != 0)
!                 return (-1);
  
          return (0);
  }