Add ifname to vlan_remove_dynamic() debug print

This makes it easier to interpret debug logs for cases where hostapd
control multiple interfaces.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
diff --git a/src/ap/vlan_init.c b/src/ap/vlan_init.c
index 94ff9e4..c57c062 100644
--- a/src/ap/vlan_init.c
+++ b/src/ap/vlan_init.c
@@ -959,7 +959,8 @@
 	if (vlan_id <= 0 || vlan_id > MAX_VLAN_ID)
 		return 1;
 
-	wpa_printf(MSG_DEBUG, "VLAN: %s(vlan_id=%d)", __func__, vlan_id);
+	wpa_printf(MSG_DEBUG, "VLAN: %s(ifname=%s vlan_id=%d)",
+		   __func__, hapd->conf->iface, vlan_id);
 
 	vlan = hapd->conf->vlan;
 	while (vlan) {