extra/libpng to 1.6.22-1

extra/libpng/PKGBUILD

@@ -8,9 +8,9 @@
 #  - added --enable-arm-neon=no to configure for !aarch64
 
 pkgname=libpng
-pkgver=1.6.21
-_apngver=1.6.21
-pkgrel=1.1
+pkgver=1.6.22
+_apngver=1.6.22
+pkgrel=1
 pkgdesc="A collection of routines used to create PNG format graphics files"
 arch=('i686' 'x86_64')
 url="http://www.libpng.org/pub/png/libpng.html"
@@ -19,9 +19,9 @@ depends=('zlib' 'sh')
 options=('!libtool')
 source=(http://downloads.sourceforge.net/sourceforge/$pkgname/$pkgname-$pkgver.tar.xz{,.asc}
         http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-$_apngver-apng.patch.gz)
-md5sums=('3bacb4728f6694a64ad9052769d6a4ce'
+md5sums=('f4ca54a3d945b8678fafed168c503f3b'
          'SKIP'
-         '360346394543ec0a880f61830541608f')
+         '910526e60f82d3f91ffe3fa9e247216e')
 validpgpkeys=('8048643BA2C840F4F92A195FF54984BFA16C640F')
 
 prepare() {