Issue #103: allow Infinity and -Infinity to be parsed.
diff --git a/json_tokener.h b/json_tokener.h
index 08e5ff7..61f73d2 100644
--- a/json_tokener.h
+++ b/json_tokener.h
@@ -60,7 +60,8 @@
   json_tokener_state_object_value_add,
   json_tokener_state_object_sep,
   json_tokener_state_array_after_sep,
-  json_tokener_state_object_field_start_after_sep
+  json_tokener_state_object_field_start_after_sep,
+  json_tokener_state_inf
 };
 
 struct json_tokener_srec