iwlwifi: RS small compile warnings without CONFIG_IWLWIFI_DEBUG

iwl-agn-rs.c: In function 'rs_clear':
iwl-agn-rs.c:2405: warning: unused variable 'priv

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-agn-rs.c

@@ -2393,13 +2393,15 @@ static void rs_free(void *priv_rate)
 
 static void rs_clear(void *priv_rate)
 {
+#ifdef CONFIG_IWLWIFI_DEBUG
 	struct iwl_priv *priv = (struct iwl_priv *) priv_rate;
 
 	IWL_DEBUG_RATE("enter\n");
 
 	/* TODO - add rate scale state reset */
 
 	IWL_DEBUG_RATE("leave\n");
+#endif /* CONFIG_IWLWIFI_DEBUG */
 }
 
 static void rs_free_sta(void *priv_rate, void *priv_sta)