libertas: handle mesh networks in lbs_iface_active()

There was an extra semicolon so the if condition wasn't used.  We
checked "priv->dev" twice instead of "priv->mesh_dev".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/dev.h

@@ -190,8 +190,8 @@ static inline int lbs_iface_active(struct lbs_private *priv)
 	int r;
 
 	r = netif_running(priv->dev);
-	if (priv->mesh_dev);
-		r |= netif_running(priv->dev);
+	if (priv->mesh_dev)
+		r |= netif_running(priv->mesh_dev);
 
 	return r;
 }