use latest ZlibBuilder which gets rid of symlinks

should help with #55

Since the zlib version is still the same, it shouldn't matter that GDALBuilder itself is still using ZlibBuilder v1.0.1 during the build.

deps/build_Zlib.v1.2.11.jl

@@ -4,27 +4,27 @@ using BinaryProvider # requires BinaryProvider 0.3.0 or later
 const verbose = "--verbose" in ARGS
 const prefix = Prefix(get([a for a in ARGS if a != "--verbose"], 1, joinpath(@__DIR__, "usr")))
 products = [
-    LibraryProduct(prefix, String["libz"], :libz),
+    LibraryProduct(prefix, ["libz"], :libz),
 ]
 
 # Download binaries from hosted location
-bin_prefix = "https://github.com/bicycle1885/ZlibBuilder/releases/download/v1.0.1"
+bin_prefix = "https://github.com/bicycle1885/ZlibBuilder/releases/download/v1.0.2"
 
 # Listing of files generated by BinaryBuilder:
 download_info = Dict(
-    Linux(:aarch64, :glibc) => ("$bin_prefix/Zlib.v1.2.11.aarch64-linux-gnu.tar.gz", "37de2156c3c7e71cf7a913726eaae493239bcd65e5b42a84008298d8d418122a"),
-    Linux(:aarch64, :musl) => ("$bin_prefix/Zlib.v1.2.11.aarch64-linux-musl.tar.gz", "4eaed05355abc53edfda7add75db1b37508a6bfc7c7612f6a622435ab6e2376e"),
-    Linux(:armv7l, :glibc, :eabihf) => ("$bin_prefix/Zlib.v1.2.11.arm-linux-gnueabihf.tar.gz", "f08efe363ec8d1cd683a0ede7e1a9b7f8fc9104b02f345fa0134c41f8ed6b858"),
-    Linux(:armv7l, :musl, :eabihf) => ("$bin_prefix/Zlib.v1.2.11.arm-linux-musleabihf.tar.gz", "480406c4ad864d6fc469a68e7f64fed8650de31c7330bb0ab2969eea22c26157"),
-    Linux(:i686, :glibc) => ("$bin_prefix/Zlib.v1.2.11.i686-linux-gnu.tar.gz", "8d0b2e36823e3ef9ad5a37d7adc629cb2fd1d64c4d5173237c27523e2d01fa48"),
-    Linux(:i686, :musl) => ("$bin_prefix/Zlib.v1.2.11.i686-linux-musl.tar.gz", "23cf414f24a7138b8c4b77d54750a371eda340cda3f91bf081643335de4a44b2"),
-    Windows(:i686) => ("$bin_prefix/Zlib.v1.2.11.i686-w64-mingw32.tar.gz", "a58cc5df045f50caaf16bb9e393f5549fb6498471a04e5c55659425936243e0a"),
-    Linux(:powerpc64le, :glibc) => ("$bin_prefix/Zlib.v1.2.11.powerpc64le-linux-gnu.tar.gz", "1ac9ceeaf2512734d04848a6fb45ba40213e5ea7d2b7d33b72bfda879e1c69bd"),
-    MacOS(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-apple-darwin14.tar.gz", "c923f866a0770cf2165d1b18b6e301b3d01a875401a7801ddc9deba86759ca7b"),
-    Linux(:x86_64, :glibc) => ("$bin_prefix/Zlib.v1.2.11.x86_64-linux-gnu.tar.gz", "2b081904e33195cd24e40639c3fa1b3e70284d86f267710343941083bedaf610"),
-    Linux(:x86_64, :musl) => ("$bin_prefix/Zlib.v1.2.11.x86_64-linux-musl.tar.gz", "a782fb42c612576cffbc448cc8b17aa888592e1419b5e3713e6e0a9859ebbb36"),
-    FreeBSD(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-unknown-freebsd11.1.tar.gz", "e035a82177cad715e819c08f888538db4ddb0589a13292cb18e9a69a220a7028"),
-    Windows(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-w64-mingw32.tar.gz", "34cfc00b28c3883d007e642c4518cba3ba4244bcced25101e3f15168e1a898d7"),
+    Linux(:aarch64, :glibc) => ("$bin_prefix/Zlib.v1.2.11.aarch64-linux-gnu.tar.gz", "66e6b2414a4fc9a5b8392b70efef9c4d163fad5159270c78e0740eebec95a415"),
+    Linux(:aarch64, :musl) => ("$bin_prefix/Zlib.v1.2.11.aarch64-linux-musl.tar.gz", "2445bd730e8f7c9dcaaace86b15244549d8630f4d78ce4c4df3fb693adde1333"),
+    Linux(:armv7l, :glibc, :eabihf) => ("$bin_prefix/Zlib.v1.2.11.arm-linux-gnueabihf.tar.gz", "d6417bffeacdc542a0b35407e1d8cf7a85d8c9d695868c7770df57fe556c5a6f"),
+    Linux(:armv7l, :musl, :eabihf) => ("$bin_prefix/Zlib.v1.2.11.arm-linux-musleabihf.tar.gz", "0ec51f27db2a7dc3c8056b18a99776ccc7459e6e5127cf82efeca770945d68b6"),
+    Linux(:i686, :glibc) => ("$bin_prefix/Zlib.v1.2.11.i686-linux-gnu.tar.gz", "1d2bba7f971ab3576d84ce5094cc8e0849d6c7552182146454d90cae1714a542"),
+    Linux(:i686, :musl) => ("$bin_prefix/Zlib.v1.2.11.i686-linux-musl.tar.gz", "06a77d15bb8ea3db8f7c45b06cf9b2b6944804147ef5ac5de11527a2badca886"),
+    Windows(:i686) => ("$bin_prefix/Zlib.v1.2.11.i686-w64-mingw32.tar.gz", "db1063328e9f2a961977f870e1954a977f86066f2aa0922ccba6e559aee22484"),
+    Linux(:powerpc64le, :glibc) => ("$bin_prefix/Zlib.v1.2.11.powerpc64le-linux-gnu.tar.gz", "13bc52cec6a5f40ef81ecb5120b123c6f63508e1b999c76b48ccf27a7029a1bd"),
+    MacOS(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-apple-darwin14.tar.gz", "deb72ecf071dc410870d9df75f3dbeef00c084394e1fc8e8631f5928ead3b87b"),
+    Linux(:x86_64, :glibc) => ("$bin_prefix/Zlib.v1.2.11.x86_64-linux-gnu.tar.gz", "26f8ddebd91628ca5c08310ec3ed6d7ebef1598ccabc34e5e4d495c6b21d89d0"),
+    Linux(:x86_64, :musl) => ("$bin_prefix/Zlib.v1.2.11.x86_64-linux-musl.tar.gz", "e826ceffc841d2abf67854ce9ed739ae2d32d1b5acc46df6233b8fd1b549cc12"),
+    FreeBSD(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-unknown-freebsd11.1.tar.gz", "223f1f7886e45f2b1af889d5045402cbc0c22175515e593fead19099e5378741"),
+    Windows(:x86_64) => ("$bin_prefix/Zlib.v1.2.11.x86_64-w64-mingw32.tar.gz", "016d0ad7dedea4aed59059ba0cf5776ca6955ebcdec262035391ec717e9b67df"),
 )
 
 # Install unsatisfied or updated dependencies: