Pass IP address (string) instead of Query object.

lib/geocoder/lookups/freegeoip.rb

@@ -12,7 +12,7 @@ module Geocoder::Lookup
 
     def results(query)
       # don't look up a loopback address, just return the stored result
-      return [reserved_result(query)] if query.loopback_ip_address?
+      return [reserved_result(query.text)] if query.loopback_ip_address?
       begin
         return (doc = fetch_data(query)) ? [doc] : []
       rescue StandardError => err # Freegeoip.net returns HTML on bad request