libertas: make lbs_get_channel() static

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/cmd.c

@@ -879,7 +879,7 @@ out:
  *
  *  @return 	   	The channel on success, error on failure
  */
-int lbs_get_channel(struct lbs_private *priv)
+static int lbs_get_channel(struct lbs_private *priv)
 {
 	struct cmd_ds_802_11_rf_channel cmd;
 	int ret = 0;

drivers/net/wireless/libertas/cmd.h

@@ -82,8 +82,6 @@ int lbs_process_event(struct lbs_private *priv, u32 event);
 
 int lbs_update_hw_spec(struct lbs_private *priv);
 
-int lbs_get_channel(struct lbs_private *priv);
-
 int lbs_set_channel(struct lbs_private *priv, u8 channel);
 
 int lbs_update_channel(struct lbs_private *priv);