main/libasr: add -dbg subpackage

main/libasr/APKBUILD

@@ -2,13 +2,13 @@
 # Maintainer: Francesco Colista <fcolista@alpinelinux.org>
 pkgname=libasr
 pkgver=1.0.3
-pkgrel=0
+pkgrel=1
 pkgdesc="libasr is a free, simple and portable asynchronous resolver library"
 url="https://www.opensmtpd.org"
 arch="all"
 license="ISC"
 makedepends="mdocml bison openssl-dev automake autoconf libtool libbsd-dev"
-subpackages="$pkgname-static $pkgname-dev"
+subpackages="$pkgname-dbg $pkgname-static $pkgname-dev"
 source="https://github.com/OpenSMTPD/libasr/archive/$pkgver/$pkgname-$pkgver.tar.gz
 	0002-Replace-missing-res_randomid-with-the-more-secure-ar.patch
 	"