staging: brcm80211: remove unneccessary packets funtion prototype

The prototype for function pktsegcnt in bmcutils.h is not defined
nor used anywhere in the driver so it can be removed.
Reviewed-by: NBrett Rudley <brudley@broadcom.com>
Signed-off-by: NArend van Spriel <arend@broadcom.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/include/bcmutils.h

@@ -149,10 +149,9 @@
 
 /* externs */
 /* packet */
-	extern uint pktfrombuf(struct osl_info *osh, void *p, uint offset,
-			       int len, unsigned char *buf);
-	extern uint pktsegcnt(struct osl_info *osh, void *p);
-	extern uint pkttotlen(struct osl_info *osh, void *p);
+	extern uint pktfrombuf(struct osl_info *osh, struct sk_buff *p,
+			       uint offset, int len, unsigned char *buf);
+	extern uint pkttotlen(struct osl_info *osh, struct sk_buff *p);
 
 /* ethernet address */
 	extern int bcm_ether_atoe(char *p, struct ether_addr *ea);