main/libwebp: upgrade to 0.5.1

main/libwebp/APKBUILD

 # Contributor: Kiyoshi Aman <kiyoshi.aman@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libwebp
-pkgver=0.5.0
+pkgver=0.5.1
 pkgrel=0
 pkgdesc="Libraries for working with WebP images"
 url="https://developers.google.com/speed/webp/"
@@ -45,6 +45,6 @@ tools() {
 	mv "$pkgdir"/usr/bin "$subpkgdir"/usr/
 }
 
-md5sums="ba81eb9bf23e3c69a2f5cc8dcdb5938f  libwebp-0.5.0.tar.gz"
-sha256sums="5cd3bb7b623aff1f4e70bd611dc8dbabbf7688fd5eb225b32e02e09e37dfb274  libwebp-0.5.0.tar.gz"
-sha512sums="243aa746ab90e0c22eefec04c152f093d2e5264283c325bc4ed83c5e27683859cebeff2120b0b25f64ed3ad25a75fd089f0ccef6aa6d0862c6b431064dc7f849  libwebp-0.5.0.tar.gz"
+md5sums="3d7db92ebba5b4f679413d25c6040881  libwebp-0.5.1.tar.gz"
+sha256sums="6ad66c6fcd60a023de20b6856b03da8c7d347269d76b1fd9c3287e8b5e8813df  libwebp-0.5.1.tar.gz"
+sha512sums="931b2dce29ee664d9a0bbc614ed19992c3ca52dd886d504dcca2df82c8f815e723bd03be7ae35a186ae555b09b0e31a17eb834871ff0728ab15ab24548b630ee  libwebp-0.5.1.tar.gz"