<div class="col-md-offset-1 checkbox">
  <label>
    <% fireman = builder.object.fireman %>
    <%= builder.hidden_field(:fireman_id) %>
    <%= builder.check_box(:enable) %>
    <%= Grade::GRADE.key(fireman.grade) %>&nbsp;-&nbsp;<%= fireman.firstname %>&nbsp;<%= fireman.lastname %>
  </label>
</div>
<%= builder.select(:intervention_role_id, intervention_roles_collection(station)) %>

<div class="col-md-offset-1 checkbox">
  <label>
    <% fireman = builder.object.fireman %>
    <%= builder.hidden_field(:fireman_id) %>
    <%= builder.check_box(:enable) %>
    <%= Grade::GRADE.key(fireman.grade) %>&nbsp;-&nbsp;<%= fireman.firstname %>&nbsp;<%= fireman.lastname %>
  </label>
</div>
<%= builder.select(:intervention_role_id, intervention_roles_collection(station), {}, :class => 'form-control') %>

Fix small bug with fireman role select in interventions form.
Fix small bug with fireman role select in interventions form.
