OS-1840 fmdump shall emit JSON (rm feedback)

*** 38,47 ****
--- 38,54 ----
  # MAPFILE HEADER END
  #
  
  $mapfile_version 2
  
+ SYMBOL_VERSION ILLUMOS_0.2 {
+     fnvlist_lookup_uint8;
+     fnvpair_value_double;
+     fnvpair_value_hrtime;
+     fnvpair_value_uint8;
+ } ILLUMOS_0.1;
+ 
  SYMBOL_VERSION ILLUMOS_0.1 {    # Illumos additions
      global:
      fnvlist_alloc;
      fnvlist_free;
      fnvlist_size;