audio/alsa-lib: Switch master site to GitHub.

The original distfiles are getting hard to come by for some reason, so
switch to pulling source tarballs directly from GitHub.

audio/alsa-lib/Makefile

@@ -2,16 +2,21 @@
 
 PORTNAME=	alsa-lib
 PORTVERSION=	1.2.2
+PORTREVISION=	1
+DISTVERSIONPREFIX=	v
 CATEGORIES=	audio
-MASTER_SITES=	ftp://ftp.alsa-project.org/pub/lib/ \
-		GENTOO
+MASTER_SITES=	GH
+
+USE_GITHUB=	yes
+GH_ACCOUNT=	alsa-project
+GH_PROJECT=	${PORTNAME}
 
 MAINTAINER=	[email protected]
 COMMENT=	ALSA compatibility library
 
 LICENSE=	LGPL21+
 
-USES=		cpe libtool:keepla tar:bzip2
+USES=		autoreconf cpe libtool:keepla tar:bzip2
 CPE_VENDOR=	alsa-project
 CPE_PRODUCT=	alsa
 USE_LDCONFIG=	yes

audio/alsa-lib/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1615528054
-SHA256 (alsa-lib-1.2.2.tar.bz2) = d8e853d8805574777bbe40937812ad1419c9ea7210e176f0def3e6ed255ab3ec
-SIZE (alsa-lib-1.2.2.tar.bz2) = 1030747
+TIMESTAMP = 1634081449
+SHA256 (alsa-project-alsa-lib-v1.2.2_GH0.tar.gz) = ad4fa29e3927c5bec0f71b24b6a88523f4e386905341fc9047abef5744805023
+SIZE (alsa-project-alsa-lib-v1.2.2_GH0.tar.gz) = 780688