extra/libpng to 1.6.28-1

extra/libpng/PKGBUILD

@@ -8,8 +8,8 @@
 #  - added --enable-arm-neon=no to configure for !aarch64
 
 pkgname=libpng
-pkgver=1.6.27
-_apngver=1.6.26
+pkgver=1.6.28
+_apngver=1.6.28
 pkgrel=1
 pkgdesc="A collection of routines used to create PNG format graphics files"
 arch=('i686' 'x86_64')
@@ -19,9 +19,9 @@ depends=('zlib' 'sh')
 validpgpkeys=('8048643BA2C840F4F92A195FF54984BFA16C640F') # Glenn Randers-Pehrson (mozilla) <glennrp@gmail.com>
 source=(http://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.tar.xz{,.asc}
         http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-$_apngver-apng.patch.gz)
-sha256sums=('fca2ffd97336356cdab9bfa8936b9d6dfd580a70205e5dfead3ac42cb054b57b'
+sha256sums=('d8d3ec9de6b5db740fefac702c37ffcf96ae46cb17c18c1544635a3852f78f7a'
             'SKIP'
-            '01dec904d91ee8c90a9a78f253d01d8fac0e37a3f4beacb60e136ea7c814d72c')
+            '4b294933e3c875d0e3331d286840b859b8a70dc338f1fefbe803a464c1d9b654')
 
 prepare() {
   cd $pkgname-$pkgver