Index: head/www/httpdirfs/Makefile
===================================================================
--- head/www/httpdirfs/Makefile	(revision 517356)
+++ head/www/httpdirfs/Makefile	(revision 517357)
@@ -1,40 +1,41 @@
 # $FreeBSD$
 
 PORTNAME=	httpdirfs
 DISTVERSION=	1.2.0
 CATEGORIES=	www
 
 MAINTAINER=	0mp@FreeBSD.org
 COMMENT=	FUSE filesystem to mount HTTP directory listings, with a permanent cache
 
 LICENSE=	GPL3OPENSSL
 LICENSE_NAME=	GPLv3 or later with execption to link with OpenSSL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libexpat.so:textproc/expat2 \
 		libfuse.so:sysutils/fusefs-libs \
 		libgumbo.so:devel/gumbo \
 		libuuid.so:misc/e2fsprogs-libuuid
 
 USES=		gmake localbase pkgconfig ssl
+USE_CSTD=	c99
 USE_GITHUB=	yes
 GH_ACCOUNT=	fangfufu
 
 MAKE_ENV=	prefix=${PREFIX}
 
 PLIST_FILES=	bin/httpdirfs \
 		man/man1/httpdirfs.1.gz
 PORTDOCS=	README.md
 
 OPTIONS_DEFINE=	DOCS
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/httpdirfs
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}/
 
 .include <bsd.port.mk>