conftest: Fix build with DEBUG_LEVEL < 1

src/conftest/hooks/force_cookie.c

@@ -48,12 +48,13 @@ METHOD(listener_t, message, bool,
 			if (payload->get_type(payload) == PLV2_NOTIFY)
 			{
 				notify_payload_t *notify = (notify_payload_t*)payload;
-				chunk_t data;
 
 				if (notify->get_notify_type(notify) == COOKIE)
 				{
-					data = notify->get_notification_data(notify);
+#if DEBUG_LEVEL >= 1
+					chunk_t data = notify->get_notification_data(notify);
 					DBG1(DBG_CFG, "received COOKIE: %#B", &data);
+#endif
 					has_cookie = TRUE;
 					break;
 				}

src/conftest/hooks/log_id.c

@@ -35,6 +35,7 @@ METHOD(listener_t, message, bool,
 	private_log_id_t *this, ike_sa_t *ike_sa, message_t *message,
 	bool incoming, bool plain)
 {
+#if DEBUG_LEVEL >= 1
 	if (incoming && plain)
 	{
 		enumerator_t *enumerator;
@@ -62,6 +63,9 @@ METHOD(listener_t, message, bool,
 		enumerator->destroy(enumerator);
 	}
 	return TRUE;
+#else
+	return FALSE;
+#endif
 }
 
 METHOD(hook_t, destroy, void,

src/conftest/hooks/log_ke.c

@@ -35,6 +35,7 @@ METHOD(listener_t, message, bool,
 	private_log_ke_t *this, ike_sa_t *ike_sa, message_t *message,
 	bool incoming, bool plain)
 {
+#if DEBUG_LEVEL >= 1
 	if (incoming && plain)
 	{
 		enumerator_t *enumerator;
@@ -54,6 +55,9 @@ METHOD(listener_t, message, bool,
 		enumerator->destroy(enumerator);
 	}
 	return TRUE;
+#else
+	return FALSE;
+#endif
 }
 
 METHOD(hook_t, destroy, void,

src/conftest/hooks/log_ts.c

@@ -35,6 +35,7 @@ METHOD(listener_t, message, bool,
 	private_log_ts_t *this, ike_sa_t *ike_sa, message_t *message,
 	bool incoming, bool plain)
 {
+#if DEBUG_LEVEL >= 1
 	if (incoming && plain)
 	{
 		enumerator_t *enumerator;
@@ -77,6 +78,9 @@ METHOD(listener_t, message, bool,
 		enumerator->destroy(enumerator);
 	}
 	return TRUE;
+#else
+	return FALSE;
+#endif
 }
 
 METHOD(hook_t, destroy, void,