OS-1840 fmdump shall emit JSON (rm feedback)

@@ -38,10 +38,17 @@
 # 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;