nl80211: Use binary hexdump for scan IEs instead of text

The IEs are binary data, so there is not much point in trying
to show them as ASCII data in debug prints.

Signed-hostap: Jouni Malinen <j@w1.fi>

src/drivers/driver_nl80211.c

@@ -2683,8 +2683,8 @@ static int wpa_driver_nl80211_scan(void *priv,
 		nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids);
 
 	if (params->extra_ies) {
-		wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan extra IEs",
-				  params->extra_ies, params->extra_ies_len);
+		wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs",
+			    params->extra_ies, params->extra_ies_len);
 		NLA_PUT(msg, NL80211_ATTR_IE, params->extra_ies_len,
 			params->extra_ies);
 	}