diff -ruNa mbuffer.orig/Makefile mbuffer/Makefile
--- mbuffer.orig/Makefile	2010-09-24 13:27:12.000000000 +0400
+++ mbuffer/Makefile	2010-12-31 21:00:48.000000000 +0300
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	mbuffer
-PORTVERSION=	2010.05.26
+PORTVERSION=	2010.12.30
 CATEGORIES=	misc
 MASTER_SITES=	http://www.maier-komor.de/software/mbuffer/
 DISTNAME=	${PORTNAME}-${PORTVERSION:S/.//g}
@@ -15,6 +15,9 @@
 MAINTAINER=	rafan@FreeBSD.org
 COMMENT=	A tool for buffering data streams
 
+LICENSE=	GPLv3
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes
 MAKE_ARGS=	SHELL=${SH}
diff -ruNa mbuffer.orig/distinfo mbuffer/distinfo
--- mbuffer.orig/distinfo	2010-09-24 13:27:12.000000000 +0400
+++ mbuffer/distinfo	2010-12-31 20:58:29.000000000 +0300
@@ -1,3 +1,2 @@
-MD5 (mbuffer-20100526.tgz) = e947c2d29064e2c87e96533e85517ad1
-SHA256 (mbuffer-20100526.tgz) = 0eae0982b9084722087a1998f4a41209e0050012f920c82ddc35d71831b6f0de
-SIZE (mbuffer-20100526.tgz) = 115295
+SHA256 (mbuffer-20101230.tgz) = bd1bca25d52c70566fc694248c22ab49974037e4afed88fea3553b73a0974646
+SIZE (mbuffer-20101230.tgz) = 116153