[PATCH] b43: Make b43_stop() static

This fixes a sparse warning.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/main.c

@@ -3520,7 +3520,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	return err;
 }
 
-void b43_stop(struct ieee80211_hw *hw)
+static void b43_stop(struct ieee80211_hw *hw)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;