sparqlUpdate: bugfix DAV detection
sparqlUpdate: bugfix DAV detection

timbl/rdflib.js,timbl/rdflib.js,nicola/rdflib.js,ariutta/rdflib.js,redaktor/rdflib.js,redaktor/rdflib.js,timbl/rdflib.js,ariutta/rdflib.js,nicola/rdflib.js,ariutta/rdflib.js