fix `extensions` for fpm54
fix `extensions` for fpm54

keymon/basebuilder,marcuskara/basebuilder,actionjack/basebuilder,keymon/basebuilder,marcuskara/basebuilder,ChangjunZhao/basebuilder,jusbrasil/basebuilder,tsuru/basebuilder,leandrosouza/basebuilder,emerleite/basebuilder,keymon/basebuilder,jusbrasil/basebuilder,leandrosouza/basebuilder,ChangjunZhao/basebuilder,keymon/basebuilder,ChangjunZhao/basebuilder,keymon/basebuilder,jusbrasil/basebuilder,actionjack/basebuilder,emerleite/basebuilder,axelerant/basebuilder,actionjack/basebuilder,axelerant/basebuilder,axelerant/basebuilder,tsuru/basebuilder,emerleite/basebuilder,keymon/basebuilder,keymon/basebuilder,marcuskara/basebuilder,keymon/basebuilder,leandrosouza/basebuilder