iwlwifi: rename priv->scan to priv->scan_cmd

I keep checking what "priv->scan" is, so rename
it to "priv->scan_cmd" which more clearly tells
us what it is.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index a7ffb4f..4007b57 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1051,7 +1051,7 @@
 	/* Scan related variables */
 	unsigned long scan_start;
 	unsigned long scan_start_tsf;
-	void *scan;
+	void *scan_cmd;
 	enum ieee80211_band scan_band;
 	struct cfg80211_scan_request *scan_request;
 	bool is_internal_short_scan;