devel/libabigail: update to 2.0, latest upstream release

New upstream release, with the same interfaces and programs.
License has changed to Apache (from LGPLv3).

devel/libabigail/Makefile

@@ -1,13 +1,13 @@
 PORTNAME=	libabigail
-DISTVERSION=	1.8.2
+DISTVERSION=	2.0
 CATEGORIES=	devel
 MASTER_SITES=	SOURCEWARE/${PORTNAME}/
 
 MAINTAINER=	adridg@FreeBSD.org
 COMMENT=	ABI Generic Analysis and Instrumentation Library
 
-LICENSE=	LGPL3+
-LICENSE_FILE=	${WRKSRC}/COPYING-LGPLV3
+LICENSE=	APACHE20
+LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 LIB_DEPENDS=	libxml2.so:textproc/libxml2 \
 		libdw.so:devel/elfutils

devel/libabigail/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1615074410
-SHA256 (libabigail-1.8.2.tar.gz) = 86347c9f0a8666f263fd63f8c3fe4c4f9cb1bdb3ec4260ecbaf117d137e89787
-SIZE (libabigail-1.8.2.tar.gz) = 258919334
+TIMESTAMP = 1638279684
+SHA256 (libabigail-2.0.tar.gz) = 3704ae97a56bf076ca08fb5dea6b21db998fbbf14c4f9de12824b78db53b6fda
+SIZE (libabigail-2.0.tar.gz) = 286383045

devel/libabigail/pkg-plist

@@ -17,7 +17,6 @@ include/libabigail/abg-ini.h
 include/libabigail/abg-interned-str.h
 include/libabigail/abg-ir.h
 include/libabigail/abg-libxml-utils.h
-include/libabigail/abg-libzip-utils.h
 include/libabigail/abg-reader.h
 include/libabigail/abg-regex.h
 include/libabigail/abg-reporter.h