main/libpng: ugprade to 1.6.28

main/libpng/APKBUILD

 # Contributor: Carlo Landmeter <clandmeter@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libpng
-pkgver=1.6.27
-_apngver=1.6.26
-pkgrel=1
+pkgver=1.6.28
+_apngver=1.6.28
+pkgrel=0
 pkgdesc="Portable Network Graphics library"
 url="http://www.libpng.org/"
 arch="all"
@@ -50,12 +50,12 @@ utils() {
 	mv "$pkgdir"/usr/bin "$subpkgdir"/usr
 }
 
-md5sums="58698519e9f6126c1caeefc28dbcbd5f  libpng-1.6.27.tar.gz
-921d2717418bf74b40b94191c8b282c7  libpng-1.6.26-apng.patch.gz
+md5sums="897ccec1ebfb0922e83c2bfaa1be8748  libpng-1.6.28.tar.gz
+fca7c6d87c8352e645facefc2e1dd153  libpng-1.6.28-apng.patch.gz
 e58c8d9a4086999456de13b2c4b9e224  libpng-fix-arm-neon.patch"
-sha256sums="c9d164ec247f426a525a7b89936694aefbc91fb7a50182b198898b8fc91174b4  libpng-1.6.27.tar.gz
-01dec904d91ee8c90a9a78f253d01d8fac0e37a3f4beacb60e136ea7c814d72c  libpng-1.6.26-apng.patch.gz
+sha256sums="b6cec903e74e9fdd7b5bbcde0ab2415dd12f2f9e84d9e4d9ddd2ba26a41623b2  libpng-1.6.28.tar.gz
+4b294933e3c875d0e3331d286840b859b8a70dc338f1fefbe803a464c1d9b654  libpng-1.6.28-apng.patch.gz
 db38cd0a8ae637e1bf2dca464a2068a40576346d16ae929f20dc712d21870316  libpng-fix-arm-neon.patch"
-sha512sums="fac2945fec7ad24c47775d1e8c6d6c84c198e0286349e9b51424da5400735c62c70fd61f5f14a6effa5f2db3113e754e61eb1c52bcaac231a2760315031f79ba  libpng-1.6.27.tar.gz
-e5831b8c5fbe963d6625dd55c656708997d41d9ac91173777560dd7d4a01beaa7a024497d7e428450800b32486ee788baacffbd2317cc0d909fbd89fbbd79684  libpng-1.6.26-apng.patch.gz
+sha512sums="8d90eacf3281a6557172d3647a5c0c562cfe1e6d2d3f8087d7d86ce0531d1530616fc18a08ca941197f403a20b8f2dd48fde419806f798b4715ddd543420a695  libpng-1.6.28.tar.gz
+6b4282ff314a65af67d566445009d3a818f4a469af4c102b4aa8e22ac49dacbdd36d8af6f60095daef2262510416a725dc76030ec01fcebd9d569edb657b05ca  libpng-1.6.28-apng.patch.gz
 30c8389d075b90c0e30c0be8d7630cbf98c87c610f414c529485630dd0411cced28852d2fecc96bca72bc712f0f7e13358f9fc47b6d7b8c7806d34ebeef20514  libpng-fix-arm-neon.patch"