Change zlib url

Author: frangarcj

CMakeLists.txt

@@ -124,7 +124,7 @@ function(toolchain_deps toolchain_deps_dir toolchain_install_dir toolchain_suffi
     set(suffix "_${toolchain_suffix}")
 
     ExternalProject_Add(zlib${suffix}
-        URL http://downloads.sourceforge.net/project/libpng/zlib/${ZLIB_VERSION}/zlib-${ZLIB_VERSION}.tar.xz
+        URL https://zlib.net/zlib-${ZLIB_VERSION}.tar.xz
         URL_HASH ${ZLIB_HASH}
         DOWNLOAD_DIR ${DOWNLOAD_DIR}
         PATCH_COMMAND patch -d <SOURCE_DIR> -p1 -t -N < ${PROJECT_SOURCE_DIR}/patches/zlib.patch