Fixed add_default_case variable initialization location, thanks to Ferran Jorba.
Fixed add_default_case variable initialization location, thanks to
Ferran Jorba.

tiborsimko/invenio-formatter,inveniosoftware/invenio-formatter,tiborsimko/invenio-formatter,tiborsimko/invenio-formatter,inveniosoftware/invenio-formatter,inveniosoftware/invenio-formatter