Merge pull request #1679 from 14113/patch-1

Fix Undefined Variable Error in ip2location_io

Author: alexreisner

lib/geocoder/lookups/ip2location_io.rb

@@ -48,8 +48,8 @@ def reserved_result(query)
         "country_name" => "-",
         "region_name"  => "-",
         "city_name"    => "-",
-        "latitude"     => null,
-        "longitude"    => null,
+        "latitude"     => nil,
+        "longitude"    => nil,
         "zip_code"     => "-",
         "time_zone"    => "-",
         "asn"          => "-",