File libnjb-hal.patch of Package libnjb

--- libnjb.fdi
+++ libnjb.fdi
@@ -3,7 +3,7 @@
   <device>
      <!-- USB devices that are music players but uses a user-space library -->
  
-    <match key="info.bus" string="usb">
+    <match key="info.subsystem" string="usb">
 
     <!-- Begin NJB devices (generated by njb-sharp for libnjb compatible devices) -->