iwl3945: use iwl_mac_config from iwlwifi

3945 can now use iwl_mac_config from iwlwifi

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 5dc3306..da8fae5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -278,6 +278,7 @@
 				 struct ieee80211_if_init_conf *conf);
 void iwl_mac_remove_interface(struct ieee80211_hw *hw,
 				 struct ieee80211_if_init_conf *conf);
+int iwl_mac_config(struct ieee80211_hw *hw, u32 changed);
 
 /*****************************************************
  * RX handlers.