add openssh 4.3p2

svn path=/nixpkgs/trunk/; revision=5595

pkgs/tools/networking/openssh/openssh-4.3p2.nix

@@ -0,0 +1,17 @@
+{stdenv, fetchurl, zlib, openssl, xforwarding ? false, xauth ? null}:
+
+assert xforwarding -> xauth != null;
+ 
+stdenv.mkDerivation {
+  name = "openssh-4.3p2";
+ 
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = ftp://ftp.nluug.nl/pub/security/OpenSSH/openssh-4.3p2.tar.gz;
+    md5 = "7e9880ac20a9b9db0d3fea30a9ff3d46";
+  };
+ 
+  buildInputs = [zlib openssl
+  (if xforwarding then xauth else null)
+  ];
+}