Call false_condition instead of :id => false.

Should have been part of commit eba79f25.

lib/geocoder/stores/active_record.rb

@@ -49,7 +49,7 @@ module Geocoder::Store
         #
         scope :within_bounding_box, lambda{ |bounds|
           sw_lat, sw_lng, ne_lat, ne_lng = bounds.flatten if bounds
-          return where(:id => false) unless sw_lat && sw_lng && ne_lat && ne_lng
+          return where(false_condition) unless sw_lat && sw_lng && ne_lat && ne_lng
           spans = "#{geocoder_options[:latitude]} BETWEEN #{sw_lat} AND #{ne_lat} AND "
           spans << if sw_lng > ne_lng   # Handle a box that spans 180
             "#{geocoder_options[:longitude]} BETWEEN #{sw_lng} AND 180 OR #{geocoder_options[:longitude]} BETWEEN -180 AND #{ne_lng}"