iwlagn: priv->sta_lock moves to iwl_shared

Since it is used by all the layers, it needs to move to iwl_shared.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index ef60120..cab3f63 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3416,7 +3416,7 @@
 {
 	int ret;
 
-	spin_lock_init(&priv->sta_lock);
+	spin_lock_init(&priv->shrd->sta_lock);
 	spin_lock_init(&priv->hcmd_lock);
 
 	mutex_init(&priv->shrd->mutex);