main/re2c: upgrade to 1.2.1

main/re2c/APKBUILD

 # Contributor: Jeff Bilyk <jbilyk at gmail>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=re2c
-pkgver=1.2
+pkgver=1.2.1
 pkgrel=0
 pkgdesc="A tool for writing fast and flexible scanners in C from regular expressions"
 url="http://www.re2c.org"
@@ -9,8 +9,7 @@ arch="all"
 license="Public-Domain"
 checkdepends="bash"
 subpackages="$pkgname-doc"
-source="https://github.com/skvadrik/re2c/releases/download/$pkgver/$pkgname-$pkgver.tar.xz"
-builddir="$srcdir"/$pkgname-$pkgver
+source="https://github.com/skvadrik/re2c/releases/download/$pkgver/re2c-$pkgver.tar.xz"
 
 build() {
 	cd "$builddir"
@@ -34,4 +33,4 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="d029abc3493a26761eaa911cf73961f5b8ec2e00958c97740e73f568fc72b02b5f56d80e09657a95dcf2e7767f3e5085775bb78f0f5bc472d506682a3a7fc278  re2c-1.2.tar.xz"
+sha512sums="c90f45ae435968e950d2340b540269a042201f1f53d7ea067b6d3d9feec063f66559ba970d404d82bfa7b75b9a074328caaa62304d4d876af7c12740d100ef58  re2c-1.2.1.tar.xz"