Merge pull request #157 from JustinLove/master

Ensure all do_lookup blocks have empty list protection

lib/geocoder/stores/active_record.rb

@@ -266,13 +266,14 @@ module Geocoder::Store
     #
     def reverse_geocode
       do_lookup(true) do |o,rs|
-        r = rs.first
+        if r = rs.first
           unless r.address.nil?
             o.send :write_attribute, self.class.geocoder_options[:fetched_address], r.address
           end
           r.address
         end
       end
+    end
 
     alias_method :fetch_address, :reverse_geocode
   end

lib/geocoder/stores/mongo_base.rb

@@ -71,7 +71,7 @@ module Geocoder::Store
     #
     def reverse_geocode
       do_lookup(true) do |o,rs|
-        r = rs.first
+        if r = rs.first
           unless r.address.nil?
             o.send :write_attribute, self.class.geocoder_options[:fetched_address], r.address
           end
@@ -80,3 +80,4 @@ module Geocoder::Store
       end
     end
   end
+end