ldns 1.6.17 -> 1.7.0

Release notes: http://git.nlnetlabs.nl/ldns/tree/Changelog?id=release-1.7.0

Openssl-1.1.0 is used to enable offline DANE verification (Needed for the DANE-TA usage type)

```
configure: error: OpenSSL does not support offline DANE verification (Needed for the DANE-TA usage type).  Please upgrade OpenSSL to version >= 1.1.0 or rerun with --disable-dane-verify or --disable-dane-ta-usage
builder /nix/store/m6n021fbk5h4iywzi3n26j95ksps9mwc-ldns-1.7.0. failed with exit code 1
error: build /nix/store/m6n021fbk5h4iywzi3n26j95ksps9mwc-ldns-1.7.0. failed
drvof drvfor
```

pkgs/development/libraries/ldns/default.nix

@@ -1,25 +1,26 @@
 {stdenv, fetchurl, openssl, perl}:
 
 stdenv.mkDerivation rec {
-  name = "ldns-1.6.17";
+  pname = "ldns";
+  version = "1.7.0";
+
+  name = "${pname}-${version}";
 
   src = fetchurl {
-    url = "http://www.nlnetlabs.nl/downloads/ldns/${name}.tar.gz";
-    sha256 = "1kf8pkwhcssvgzhh6ha1pjjiziwvwmfaali7kaafh6118mcy124b";
+    url = "https://www.nlnetlabs.nl/downloads/ldns/${name}.tar.gz";
+    sha1 = "ceeeccf8a27e61a854762737f6ee02f44662c1b8";
   };
 
-  outputs = [ "out" "dev" ];
-
-  patches = [ ./perl-5.22-compat.patch ];
-
-  postPatch = ''
+  patchPhase = ''
     patchShebangs doc/doxyparse.pl
   '';
 
+  outputs = [ "out" "dev" ];
+
   nativeBuildInputs = [ perl ];
   buildInputs = [ openssl ];
 
-  configureFlags = [ "--with-ssl=${openssl.dev}" "--with-drill" ];
+  configureFlags = [ "--with-ssl=${openssl.dev}" "--with-drill"];
 
   postInstall = ''
     moveToOutput "bin/ldns-config" "$dev"

pkgs/development/libraries/ldns/perl-5.22-compat.patch

@@ -1,12 +0,0 @@
-diff -Naur old/doc/doxyparse.pl new/doc/doxyparse.pl
---- old/doc/doxyparse.pl	2014-01-11 06:04:41.000000000 +0900
-+++ new/doc/doxyparse.pl	2015-08-08 22:29:34.216889652 +0900
-@@ -273,7 +273,7 @@
- 
- 	print MAN $MAN_MIDDLE;
- 
--	if (defined(@$also)) {
-+	if (@$also) {
- 		print MAN "\n.SH SEE ALSO\n\\fI";
- 		print MAN join "\\fR, \\fI", @$also;
- 		print MAN "\\fR.\nAnd ";

pkgs/top-level/all-packages.nix

@@ -2579,7 +2579,9 @@ in
 
   ldapvi = callPackage ../tools/misc/ldapvi { };
 
-  ldns = callPackage ../development/libraries/ldns { };
+  ldns = callPackage ../development/libraries/ldns {
+    openssl = openssl_1_1_0;
+  };
 
   leafpad = callPackage ../applications/editors/leafpad { };