Index: head/x11/lightdm-gtk-greeter/Makefile
===================================================================
--- head/x11/lightdm-gtk-greeter/Makefile	(revision 500495)
+++ head/x11/lightdm-gtk-greeter/Makefile	(revision 500496)
@@ -1,31 +1,32 @@
 # Created by: Ben Woods <woodsb02@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	lightdm-gtk-greeter
 PORTVERSION=	2.0.6
 CATEGORIES=	x11
 MASTER_SITES=	https://launchpad.net/${PORTNAME}/${PORTVERSION:R}/${PORTVERSION}/+download/
 
 MAINTAINER=	woodsb02@FreeBSD.org
 COMMENT=	GTK+ greeter for LightDM
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	liblightdm-gobject-1.so:x11/lightdm
 
 USES=		gettext gmake gnome localbase pkgconfig xfce
+USE_CSTD=	c99
 USE_GNOME=	cairo gdkpixbuf2 gtk30 intltool
 USE_XFCE=	libexo
 USE_XORG=	x11
 
 GNU_CONFIGURE=	yes
 INSTALLS_ICONS=	yes
 
 OPTIONS_DEFINE=	DOCS
 
 post-install:
 	(cd ${STAGEDIR}${PREFIX}/etc/lightdm && ${MV} lightdm-gtk-greeter.conf \
 		lightdm-gtk-greeter.conf.sample)
 
 .include <bsd.port.mk>