[PATCH] Fix warnings in hamradio/baycom build

Sorry, overlooked the corresponding .h file in that patch, here it is.

include/linux/hdlcdrv.h

@@ -359,11 +359,11 @@ static inline int hdlcdrv_ptt(struct hdlcdrv_state *s)
 void hdlcdrv_receiver(struct net_device *, struct hdlcdrv_state *);
 void hdlcdrv_transmitter(struct net_device *, struct hdlcdrv_state *);
 void hdlcdrv_arbitrate(struct net_device *, struct hdlcdrv_state *);
-int hdlcdrv_register_hdlcdrv(struct net_device *dev, const struct hdlcdrv_ops *ops,
-			     unsigned int privsize, char *ifname,
+struct net_device *hdlcdrv_register(const struct hdlcdrv_ops *ops,
+				    unsigned int privsize, const char *ifname,
 				    unsigned int baseaddr, unsigned int irq, 
 				    unsigned int dma);
-int hdlcdrv_unregister_hdlcdrv(struct net_device *dev);
+void hdlcdrv_unregister(struct net_device *dev);
 
 /* -------------------------------------------------------------------- */