main/autoconf: upgrade to 2.72

also, update license

main/autoconf/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=autoconf
-pkgver=2.71
-pkgrel=2
+pkgver=2.72
+pkgrel=0
 pkgdesc="GNU tool for automatically configuring source code"
 arch="noarch"
-license="GPL-2.0-or-later"
+license="GPL-3.0-or-later WITH Autoconf-exception-3.0"
 url="https://www.gnu.org/software/autoconf"
 depends="m4 perl"
 subpackages="$pkgname-doc"
 options="!check"
-source="https://ftp.gnu.org/gnu/autoconf/autoconf-$pkgver.tar.gz
-	$pkgname-make-4.4.patch::https://github.com/autotools-mirror/autoconf/commit/31f673434ee402258b45e958c88acc8725d82b1a.patch
-	$pkgname-bigendian-lto.patch::https://github.com/autotools-mirror/autoconf/commit/234fc6c86613ed3f366dd1d88996e4d5d85ee222.patch
-	$pkgname-lang-call-c::https://github.com/autotools-mirror/autoconf/commit/b27bc3e230bb12fdd9a813e38e82bc4c3e22b4cc.patch
-	$pkgname-kr-decl::https://github.com/autotools-mirror/autoconf/commit/8b5e2016c7ed2d67f31b03a3d2e361858ff5299b.patch
-	$pkgname-autom4te-time-hires.patch::https://github.com/autotools-mirror/autoconf/commit/3a9802d60156809c139e9b4620bf04917e143ee2.patch
-	"
+source="https://ftp.gnu.org/gnu/autoconf/autoconf-$pkgver.tar.gz"
 
 build() {
 	M4=/usr/bin/m4 ./configure \
@@ -37,10 +31,5 @@ package() {
 }
 
 sha512sums="
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-2d1aa08dbb0e896625e36f4aa20153c1ed29dd395f5f680122983a06a484722ad299aade28beefcb431eada9a9f4af8ac13b9627209245d5870d31769bc016eb  autoconf-make-4.4.patch
-a6397aaba4e24ab8a527aa26abeee6a047c86257c7317f933de9f3f35217fbac8eca8ee9774ddc7b6706c3d61e7690a408eb87dafc12989802951620241c7faf  autoconf-bigendian-lto.patch
-446ecc39a933d6c1dcdfe99986b1610c46d53b68cda16f6383fd5b0cee5cfc7d924ef5d81d90978100889e492a204423e8279bae1e70e7a55ece5b995cb346c9  autoconf-lang-call-c
-aa613927bffc48b95f7aa9d5977b2c2aa2bf550c64fde88ff2b9447b84bc35cd8fbe80ba3f26f98df948f31ade2587c2be37a5c830ebc6347fa3760f7b6296ae  autoconf-kr-decl
-049fb92dc661560b731c5e1d993da8848e34cf81b930816b9e4a7f3c04c99b1151fc8e858f75d6fb1ce965b6eac71d2e9e76368a8499bbfd2ef06ea55032eb32  autoconf-autom4te-time-hires.patch
+3f71d459e2127ef2c98b37f11f5284f0c92318ad8d31c5b6034bed370adfe9f3d0f7a12f87e2efced06c11e2a159de4d4a292b751104e83daf11342f25ba9721  autoconf-2.72.tar.gz
 "