Fix Ruby 1.8.7 incompatibility.
Fix Ruby 1.8.7 incompatibility.

StudioMelipone/geocoder,brian-ewell/geocoder,andreamazz/geocoder,ankane/geocoder,moofish32/geocoder,jaigouk/geocoder-olleh,guavapass/geocoder,jaigouk/geocoder-olleh,tiramizoo/geocoder,ivanzotov/geocoder,rayzeller/geocoder,sideci-sample/sideci-sample-geocoder,aceunreal/geocoder,boone/geocoder,gogovan/geocoder-olleh,AndyDangerous/geocoder,3mundi/geocoder,malandrina/geocoder,FanaHOVA/geocoder,gogovan/geocoder-olleh,sr-education/geocoder,eugenehp/ruby-geocoder,rios1993/geocoder,epyatopal/geocoder,davydovanton/geocoder,alexreisner/geocoder,tortuba/geocoder,rdlugosz/geocoder,crdunwel/geocoder,GermanDZ/geocoder,Devetzis/geocoder,mdebo/geocoder,jgrciv/geocoder,mehlah/geocoder,donbobka/geocoder,sjaveed/geocoder,mveer99/geocoder,TrangPham/geocoder