libertas: store command result in cmdnode instead of priv->cur_cmd_retcode

... at least for users of __lbs_cmd().

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index 719da73..ea4d484 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -74,6 +74,7 @@
 
 struct cmd_ctrl_node {
 	struct list_head list;
+	int result;
 	/* command response */
 	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *);
 	unsigned long callback_arg;