libertas: make __lbs_cmd_async() non-static

This function will be needed for the cfg80211-enabled libertas driver.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index 0fb3125..eb0bce3 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -2118,7 +2118,7 @@
 }
 
 
-static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
+struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
 	uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
 	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
 	unsigned long callback_arg)
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index 392e578..2730c6a 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -26,6 +26,11 @@
 	      int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
 	      unsigned long callback_arg);
 
+struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
+	uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
+	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+	unsigned long callback_arg);
+
 int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
 		int8_t p1, int8_t p2);