Fix login form
Fix login form

This got broken while rebasing e00b68c8b9b4211381191f3fcf7ec1e03ab2481c
onto c899dfbd4242fe14214aa475d2c2f8aebb49c836.

phihag/adhocracy,SysTheron/adhocracy,alkadis/vcv,phihag/adhocracy,SysTheron/adhocracy,liqd/adhocracy,phihag/adhocracy,alkadis/vcv,liqd/adhocracy,DanielNeugebauer/adhocracy,SysTheron/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,liqd/adhocracy,phihag/adhocracy,phihag/adhocracy,DanielNeugebauer/adhocracy,liqd/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy