FIX: Set virtual drive size to zero

src/uconnectionmanager.pas

@@ -107,6 +107,7 @@ begin
   begin
     FileSourceRecord:= PFileSourceRecord(WfxConnectionList.Objects[Index]);
     New(Drive);
+    Drive^.DriveSize:= 0;
     Drive^.IsMounted:= True;
     Drive^.DriveType:= dtVirtual;
     Drive^.Path:= FileSourceRecord.Path;