user/autoconf2.13: Avoid collision with autoconf-doc

user/autoconf2.13/APKBUILD

 # Maintainer:
 pkgname=autoconf2.13
 pkgver=2.13
-pkgrel=1
+pkgrel=2
 pkgdesc="A GNU tool for automatically configuring source code"
 arch="noarch"
 license="GPL-2.0"
@@ -38,5 +38,10 @@ package() {
 	rm -f "$pkgdir"/usr/share/info/standards.info
 }
 
+doc() {
+	default_doc
+	mv "$subpkgdir/usr/share/info/autoconf.info" "$subpkgdir/usr/share/info/autoconf-2.13.info"
+}
+
 sha512sums="602584f4c77b7a554aaa068eda5409b68eb0b3229e9c224bffb91c83c4314d25de15bd560a323626ff78f6df339c79e1ef8938c54b78ecadf4dc75c5241290ad  autoconf-2.13.tar.gz
 483d0ba23c90e41c746868ea57436033930906f306b86de5e23284a60da069f4203d478615d653b8acee7226d9b02427be42a9764ff82710019de485e5f26d1b  getloadavg.patch"