Fix: Directory dependency is now C: for /voc

coscine/issues#1256

src/GraphDeployer/Program.cs

-using Coscine.Configuration;
+using Coscine.Configuration;
 using Coscine.Metadata;
 using System;
 using System.Collections.Generic;
@@ -24,7 +24,7 @@ namespace Coscine.GraphDeployer
             VirtuosoManager virtuosoManager = new VirtuosoManager($"Server={virtuosoHost};Uid={virtuosoUser};pwd={virtuosoPassword}");
 
             var _rdfStoreConnector = new RdfStoreConnector(virtuosoServer);
-            var folder = "/voc";
+            var folder = "C:/voc";
             var virtuosoISQLLocation = configuration.GetString(
                 "coscine/local/virtuoso/isql",
                 "C:/Programs/Virtuoso/bin/isql.exe"