USB: fix compiler warnings in the isdn usb drivers.

drivers/isdn/hisax/st5481_b.c

@@ -152,7 +152,7 @@ static void led_blink(struct st5481_adapter *adapter)
 	st5481_usb_device_ctrl_msg(adapter, GPIO_OUT, leds, NULL, NULL);
 }
 
-static void usb_b_out_complete(struct urb *urb)
+static void usb_b_out_complete(struct urb *urb, struct pt_regs *regs)
 {
 	struct st5481_bcs *bcs = urb->context;
 	struct st5481_b_out *b_out = &bcs->b_out;

drivers/isdn/hisax/st5481_d.c

@@ -370,7 +370,7 @@ static void fifo_reseted(void *context)
 	FsmEvent(&adapter->d_out.fsm, EV_DOUT_RESETED, NULL);
 }
 
-static void usb_d_out_complete(struct urb *urb)
+static void usb_d_out_complete(struct urb *urb, struct pt_regs *regs)
 {
 	struct st5481_adapter *adapter = urb->context;
 	struct st5481_d_out *d_out = &adapter->d_out;

drivers/isdn/hisax/st5481_usb.c

@@ -474,7 +474,7 @@ void st5481_release_isocpipes(struct urb* urb[2])
  * called 50 times per second with 20 ISOC descriptors. 
  * Called at interrupt.
  */
-static void usb_in_complete(struct urb *urb)
+static void usb_in_complete(struct urb *urb, struct pt_regs *regs)
 {
 	struct st5481_in *in = urb->context;
 	unsigned char *ptr;