OS-1840 fmdump shall emit JSON

*** 18,32 ****
--- 18,34 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
   */
  
  #include <fmdump.h>
  #include <stdio.h>
  #include <strings.h>
+ #include <alloca.h>
  
  /*ARGSUSED*/
  static int
  flt_short(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
  {
*** 199,209 ****
  flt_verb2(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
  {
          return (flt_verb23_cmn(lp, rp, fp, NULL));
  }
  
- 
  static int
  flt_pretty(fmd_log_t *lp, const fmd_log_record_t *rp, FILE *fp)
  {
          nvlist_prtctl_t pctl;
          int rc;
--- 201,210 ----
*** 283,289 ****
--- 284,293 ----
  "                                 SUNW-MSG-ID",
  (fmd_log_rec_f *)flt_pretty
  }, {
  NULL,
  (fmd_log_rec_f *)flt_msg
+ }, {
+ NULL,
+ (fmd_log_rec_f *)fmdump_print_json
  } }
  };