Index: head/net/libdaq/Makefile
===================================================================
--- head/net/libdaq/Makefile	(revision 542830)
+++ head/net/libdaq/Makefile	(revision 542831)
@@ -1,29 +1,33 @@
 # Created by: Muhammad Moinur Rahman <bofh@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libdaq
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.0.0-alpha6
+DISTVERSION=	3.0.0-alpha7
 CATEGORIES=	net
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Data Acquisition abstraction library for snort 3.0+
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libpcap.so:net/libpcap	# avoid base libpcap
 
 USES=		autoreconf compiler:c++11-lang libtool pkgconfig
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 GH_ACCOUNT=	snort3
 GNU_CONFIGURE=	yes
 CPPFLAGS+=	-I${LOCALBASE}/include
 LIBS+=		-L${LOCALBASE}/lib
 INSTALL_TARGET=	install-strip
 
 CONFLICTS=	daq-2*
+
+post-patch:
+	${REINPLACE_CMD} 's|meta_ack_data.tcp_window_size = tcp->window;|meta_ack_data.tcp_window_size = tcp->th_win;|' \
+		${WRKSRC}/modules/fst/fst.h
 
 .include <bsd.port.mk>
Index: head/net/libdaq/distinfo
===================================================================
--- head/net/libdaq/distinfo	(revision 542830)
+++ head/net/libdaq/distinfo	(revision 542831)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1590657367
-SHA256 (snort3-libdaq-v3.0.0-alpha6_GH0.tar.gz) = 10f3463d970d769ab61f9f228c898bb40dd5c448b46e15938a956e28418e5ae6
-SIZE (snort3-libdaq-v3.0.0-alpha6_GH0.tar.gz) = 156722
+TIMESTAMP = 1595391269
+SHA256 (snort3-libdaq-v3.0.0-alpha7_GH0.tar.gz) = 00cca99b8883273f2b7804e81ac4b75de1e1f39184a9366f43b9578242a2dfdf
+SIZE (snort3-libdaq-v3.0.0-alpha7_GH0.tar.gz) = 158420