testing/ssss: upgrade to 0.5.7

testing/ssss/APKBUILD

 # Maintainer: Michał Adamski <michal@ert.pl>
 pkgname=ssss
-pkgver=0.5.6
+pkgver=0.5.7
 pkgrel=0
 pkgdesc="ssss is an implementation of Shamir's secret sharing scheme for UNIX systems"
 url="http://point-at-infinity.org/ssss/"
@@ -8,7 +8,7 @@ arch="all"
 license="GPL-2.0-only"
 makedepends="make xmltoman gmp-dev"
 subpackages="$pkgname-doc"
-source="$pkgname-$pkgver.tar.gz::https://github.com/MrJoy/ssss/archive/releases/v$pkgver.tar.gz"
+source="https://github.com/MrJoy/ssss/archive/releases/v$pkgver/ssss-$pkgver.tar.gz"
 builddir="$srcdir/$pkgname-releases-v$pkgver"
 
 build() {
@@ -27,4 +27,6 @@ package() {
 	install -m755 -D ssss-split "$pkgdir"/usr/bin/ssss-split
 	ln -s ssss-split "$pkgdir"/usr/bin/ssss-combine
 }
-sha512sums="964af01610a7a269d19ae1fa1712ef12ca1afab02636ba83dd84ec5aeb185210a1247d932ee39d2869aa76e54ffb051d802800d295d17355d6fe2a8010edd509  ssss-0.5.6.tar.gz"
+sha512sums="
+aca85b7a63e6d009fffe5540b0c8e3190c364aa2070e8d8487fd42d7ac76143e404b226b28f3630022d102679371673cc7c08b8c5d3bcf63e3676b7293d2ba00  ssss-0.5.7.tar.gz
+"