orinoco: fix last beacon reporting on 64-bit systems

orinoco_translate_scan() and orinoco_translate_ext_scan() wrongly
truncate last_scanned argument from unsigned long to unsigned int.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/orinoco/orinoco.c

@@ -5444,7 +5444,7 @@ static inline char *orinoco_translate_scan(struct net_device *dev,
 					   char *current_ev,
 					   char *end_buf,
 					   union hermes_scan_info *bss,
-					   unsigned int last_scanned)
+					   unsigned long last_scanned)
 {
 	struct orinoco_private *priv = netdev_priv(dev);
 	u16			capabilities;
@@ -5591,7 +5591,7 @@ static inline char *orinoco_translate_ext_scan(struct net_device *dev,
 					       char *current_ev,
 					       char *end_buf,
 					       struct agere_ext_scan_info *bss,
-					       unsigned int last_scanned)
+					       unsigned long last_scanned)
 {
 	u16			capabilities;
 	u16			channel;