Cambio de Contraseña
<%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
<%= render "shared/errors", object: resource %>
<%= f.label :current_password, "Contraseña Actual" %>
<%= f.password_field :current_password, autocomplete: "off" %>
<%= f.label :password %>
<%= f.password_field :password, autocomplete: "off" %>
<% if @minimum_password_length %>
<%= @minimum_password_length %> caracteres mínimo.
<% end %>
<%= f.label :password_confirmation %>
<%= f.password_field :password_confirmation, autocomplete: "off" %>
<%= f.submit "Cambiar Contraseña" %>
<% end %>