main/libassuan: Upgrade to 2.5.1

main/libassuan/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libassuan
-pkgver=2.4.4
+pkgver=2.5.1
 pkgrel=0
 pkgdesc="A IPC library used by some GnuPG related software"
-url="ftp://ftp.gnupg.org/gcrypt/libassuan"
+url="https://www.gnupg.org/software/libassuan/index.html"
 arch="all"
 license="LGPL-2.0-or-later"
 depends=
 makedepends="libgpg-error-dev"
-subpackages="$pkgname-dev $pkgname-doc"
-source="https://gnupg.org/ftp/gcrypt/libassuan/libassuan-$pkgver.tar.bz2"
-builddir="$srcdir"/$pkgname-$pkgver
+subpackages="${pkgname}-dev ${pkgname}-doc"
+source="https://www.gnupg.org/ftp/gcrypt/${pkgname}/${pkgname}-${pkgver}.tar.bz2"
+builddir="${srcdir}/${pkgname}-${pkgver}"
 
 build() {
 	cd "$builddir"
@@ -26,4 +26,4 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="386e876dfab8061e19e8f3ac3c6919f29fabd043b4f88416bb7cb2aa092aead799532de91829cf39255b704aed60d1b08008c5632b11fa7ee669b162bf2764a7  libassuan-2.4.4.tar.bz2"
+sha512sums="c8829925221780f175cee8c4084060b0d661229f583a50d400a1903ab7303b2724b99ff9c0fa242881d4c5d779036756e1da54d9143acc0fcd92f302ecb5882d  libassuan-2.5.1.tar.bz2"