Fixed so that if we don't get an ExistInputSource for a resource being restored, we won't end up throwing a NPE further down in the code.
Fixed so that if we don't get an ExistInputSource for a resource being restored, we won't end up throwing a NPE further down in the code.

svn path=/trunk/eXist/; revision=12035

kohsah/exist,jessealama/exist,jessealama/exist,patczar/exist,MjAbuz/exist,hungerburg/exist,lcahlander/exist,olvidalo/exist,opax/exist,RemiKoutcherawy/exist,jensopetersen/exist,ljo/exist,ljo/exist,RemiKoutcherawy/exist,adamretter/exist,joewiz/exist,patczar/exist,ambs/exist,ambs/exist,wshager/exist,ambs/exist,dizzzz/exist,adamretter/exist,lcahlander/exist,hungerburg/exist,joewiz/exist,MjAbuz/exist,lcahlander/exist,RemiKoutcherawy/exist,MjAbuz/exist,wshager/exist,eXist-db/exist,RemiKoutcherawy/exist,MjAbuz/exist,dizzzz/exist,wolfgangmm/exist,jensopetersen/exist,wolfgangmm/exist,wolfgangmm/exist,opax/exist,lcahlander/exist,shabanovd/exist,eXist-db/exist,adamretter/exist,jessealama/exist,patczar/exist,wshager/exist,opax/exist,windauer/exist,patczar/exist,eXist-db/exist,zwobit/exist,patczar/exist,patczar/exist,hungerburg/exist,windauer/exist,windauer/exist,lcahlander/exist,dizzzz/exist,hungerburg/exist,jensopetersen/exist,ambs/exist,olvidalo/exist,joewiz/exist,ljo/exist,zwobit/exist,ljo/exist,opax/exist,wshager/exist,ljo/exist,windauer/exist,jensopetersen/exist,wshager/exist,wolfgangmm/exist,windauer/exist,joewiz/exist,hungerburg/exist,shabanovd/exist,zwobit/exist,MjAbuz/exist,adamretter/exist,RemiKoutcherawy/exist,zwobit/exist,RemiKoutcherawy/exist,jensopetersen/exist,windauer/exist,jessealama/exist,kohsah/exist,jessealama/exist,adamretter/exist,ljo/exist,eXist-db/exist,jessealama/exist,zwobit/exist,kohsah/exist,olvidalo/exist,wshager/exist,shabanovd/exist,opax/exist,joewiz/exist,lcahlander/exist,joewiz/exist,MjAbuz/exist,shabanovd/exist,zwobit/exist,kohsah/exist,shabanovd/exist,eXist-db/exist,kohsah/exist,wolfgangmm/exist,ambs/exist,olvidalo/exist,dizzzz/exist,shabanovd/exist,dizzzz/exist,ambs/exist,jensopetersen/exist,wolfgangmm/exist,eXist-db/exist,kohsah/exist,adamretter/exist,dizzzz/exist,olvidalo/exist