fixup! information: add batman-adv statistics

src/information.c

@@ -82,7 +82,7 @@ int gluon_beacon_diagnostic_information_batman_adv_collect(uint8_t *buffer, size
 	buffer[1] = stats.vpn.tq;
 	buffer[2] = stats.neighbor_count;
 
-	return 0;
+	return 3;
 }
 
 #else