libertas: switch lbs_cmd() to take a _pointer_ to the command structure

This way, it looks more like a normal function.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 3f8b83c..74fec9d 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -109,7 +109,7 @@
 	b2_cmd.action = 0;
 	b2_cmd.version = priv->boot2_version;
 
-	if (lbs_cmd(priv, CMD_SET_BOOT2_VER, b2_cmd, NULL, 0))
+	if (lbs_cmd(priv, CMD_SET_BOOT2_VER, &b2_cmd, NULL, 0))
 		lbs_deb_usb("Setting boot2 version failed\n");
 }