[bugfix] fn:matches should return false if the first argument is the empty sequence. Fixes bug 2909755.
[bugfix] fn:matches should return false if the first argument is the empty sequence. Fixes bug 2909755.

svn path=/trunk/eXist/; revision=10814

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