This needs to be done to work with newer spree that do not have
the upgrade path from 0.6 to 1.3... in the production environment
this was not noticed as the rename_table was doing this migration
Fight with rails about the encoding of the label. First we
render, then we encode to the closest we have for CP1252 and
then we need to set response.body as returning the encoded
string will not help us.