[NTOSKRNL]

- Forgot this dereference
- Unloading works now, but there are many bugs in the device stacks that prevent it from occurring
- Usbhub will unload properly when a hub is removed for a driver update, but usbstor won't unload when all usb storage devices have been removed
- Work needs to be done to fix issues like this

svn path=/trunk/; revision=56185

reactos/ntoskrnl/io/pnpmgr/pnpmgr.c

@@ -2610,7 +2610,7 @@ IopActionInitChildServices(PDEVICE_NODE DeviceNode,
           Status = PipCallDriverAddDevice(DeviceNode, FALSE, DriverObject);
 
           /* Remove the extra reference */
-          //ObDereferenceObject(DriverObject);
+          ObDereferenceObject(DriverObject);
       }
       else
       {