[bugfix] Avoid NPE in fn:data()
[bugfix] Avoid NPE in fn:data()

adamretter/exist,lcahlander/exist,lcahlander/exist,ambs/exist,eXist-db/exist,windauer/exist,olvidalo/exist,eXist-db/exist,eXist-db/exist,ambs/exist,hungerburg/exist,windauer/exist,hungerburg/exist,ambs/exist,opax/exist,olvidalo/exist,wolfgangmm/exist,wolfgangmm/exist,ambs/exist,hungerburg/exist,opax/exist,eXist-db/exist,dizzzz/exist,olvidalo/exist,dizzzz/exist,windauer/exist,lcahlander/exist,adamretter/exist,olvidalo/exist,opax/exist,wolfgangmm/exist,eXist-db/exist,opax/exist,ambs/exist,windauer/exist,adamretter/exist,adamretter/exist,dizzzz/exist,eXist-db/exist,ambs/exist,hungerburg/exist,wolfgangmm/exist,wolfgangmm/exist,adamretter/exist,windauer/exist,opax/exist,lcahlander/exist,wolfgangmm/exist,dizzzz/exist,hungerburg/exist,lcahlander/exist,dizzzz/exist,dizzzz/exist,lcahlander/exist,olvidalo/exist,windauer/exist,adamretter/exist