Hostap: Fix "'ret' set but not used" warning message from GCC in hostap

 CC [M]  drivers/net/wireless/hostap/hostap_ioctl.o
drivers/net/wireless/hostap/hostap_ioctl.c: In function 'prism2_request_scan':
drivers/net/wireless/hostap/hostap_ioctl.c:1666:6: warning: variable 'ret' set but not used
Signed-off-by: NJulian Calaby <julian.calaby@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/hostap/hostap_ioctl.c

@@ -1696,7 +1696,7 @@ static int prism2_request_scan(struct net_device *dev)
 		hostap_set_word(dev, HFA384X_RID_CNFROAMINGMODE,
 				HFA384X_ROAMING_FIRMWARE);
 
-	return 0;
+	return ret;
 }
 
 #else /* !PRISM2_NO_STATION_MODES */