try a libpng upgrade

diff --git a/macosx/prebuild/Makefile-packages.incl b/macosx/prebuild/Makefile-packages.incl
index c534693d7517dae9d4d686c0846ab95a945fc0a5..a8565674bbefd39861f4cf8756935b2b418bc06b 100644 (file)
--- a/macosx/prebuild/Makefile-packages.incl
+++ b/macosx/prebuild/Makefile-packages.incl
@@ -2,7 +2,7 @@ AUTOCONF_URL=http://ftp.gnu.org/gnu/autoconf/autoconf-2.68.tar.gz
 AUTOMAKE_URL=http://ftp.gnu.org/gnu/automake/automake-1.11.tar.gz
 LIBTOOL_URL=http://ftp.gnu.org/gnu/libtool/libtool-2.2.8.tar.gz
 PKGCONFIG_URL=http://pkgconfig.freedesktop.org/releases/pkg-config-0.25.tar.gz
-PNG_URL=http://downloads.sourceforge.net/libpng/libpng-1.5.0.tar.gz
+PNG_URL=http://downloads.sourceforge.net/libpng/libpng-1.5.1.tar.gz
 FREETYPE_URL=http://download.savannah.gnu.org/releases-noredirect/freetype/freetype-2.4.4.tar.gz
 FONTCONFIG_URL=http://fontconfig.org/release/fontconfig-2.8.0.tar.gz
 XFT_URL=http://xorg.freedesktop.org/releases/individual/lib/libXft-2.1.14.tar.gz