updated lib32-libpng to match version in staging

lib32-libpng/PKGBUILD

@@ -5,20 +5,20 @@
 
 _pkgbasename=libpng
 pkgname=lib32-$_pkgbasename
-pkgver=1.4.4
-_apngver=1.4.4
+pkgver=1.5.13
+_apngver=1.5.13
 pkgrel=1
 pkgdesc="A collection of routines used to create PNG format graphics files (32-bit)"
 arch=('x86_64')
 url="http://www.libpng.org/pub/png/libpng.html"
 license=('custom')
-depends=('lib32-zlib' $_pkgbasename=$pkgver)
+depends=('lib32-zlib' $_pkgbasename=$pkgver 'sh')
 makedepends=(gcc-multilib)
 options=('!libtool')
 source=("http://downloads.sourceforge.net/sourceforge/${_pkgbasename}/${_pkgbasename}-${pkgver}.tar.xz"
         "http://downloads.sourceforge.net/sourceforge/libpng-apng/libpng-${_apngver}-apng.patch.gz")
-md5sums=('0342d1cedb9b9a80294dd1b1e2ec9ae9'
-         'd5cd185e7da764a10ff9046d42449259')
+md5sums=('0b607a685da977f1bfc96e1c47055183'
+         '23c8765aa6ca188c0575386d5ea8fe70')
 
 build() {
   export CC="gcc -m32"
@@ -31,11 +31,6 @@ build() {
   # see http://sourceforge.net/projects/libpng-apng/
   patch -p1 -i "${srcdir}/libpng-${_apngver}-apng.patch"
 
-#  libtoolize --force --copy
-#  aclocal
-#  autoconf
-#  automake --add-missing
-
   ./configure --prefix=/usr --libdir=/usr/lib32
   make
 }