cadaver: Fix building with current openssl

...by using the already-packaged (newer) version of neon as it is also done for
openSUSE[1].

[1] https://build.opensuse.org/package/show/openSUSE:Factory/cadaver

pkgs/tools/networking/cadaver/configure.patch

···
+--- a/configure.orig
++++ b/configure
+@@ -9595,7 +9595,7 @@ fi
+ $as_echo "$ne_cv_lib_neon" >&6; }
+     if test "$ne_cv_lib_neon" = "yes"; then
+        ne_cv_lib_neonver=no
+-       for v in 27 28 29; do
++       for v in 27 28 29 30 31; do
+           case $ne_libver in
+           0.$v.*) ne_cv_lib_neonver=yes ;;
+           esac
+@@ -10328,7 +10328,7 @@ fi
+ $as_echo "$ne_cv_lib_neon" >&6; }
+     if test "$ne_cv_lib_neon" = "yes"; then
+        ne_cv_lib_neonver=no
+-       for v in 27 28 29; do
++       for v in 27 28 29 30 31; do
+           case $ne_libver in
+           0.$v.*) ne_cv_lib_neonver=yes ;;
+           esac

pkgs/tools/networking/cadaver/default.nix

···
-{ lib, stdenv, fetchurl, fetchpatch, openssl, readline }:
+{ lib, stdenv, fetchurl, fetchpatch, neon, pkg-config, readline, zlib}:
 
 stdenv.mkDerivation rec {
   name = "cadaver-0.23.3";
···
       name = "disable-sslv2.patch";
       sha256 = "1qx65hv584wdarks51yhd3y38g54affkphm5wz27xiz4nhmbssrr";
     })
+    # Cadaver also works with newer versions of neon than stated
+    # in the configure script
+    ./configure.patch
   ];
 
   configureFlags = [ "--with-ssl" "--with-readline" ];
 
-  buildInputs = [ openssl readline ];
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ neon readline zlib ];
 
   meta = with lib; {
     description = "A command-line WebDAV client";

pkgs/top-level/all-packages.nix

···
 
   cabextract = callPackage ../tools/archivers/cabextract { };
 
-  cadaver = callPackage ../tools/networking/cadaver {
-    openssl = openssl_1_0_2;
-  };
+  cadaver = callPackage ../tools/networking/cadaver { };
 
   davix = callPackage ../tools/networking/davix { };