talkfilters: disable format hardening

pkgs/misc/talkfilters/default.nix

@@ -1,21 +1,23 @@
 { stdenv, fetchurl }:
 
-let 
-  name = "talkfilters";
+let
+  pname = "talkfilters";
   version = "2.3.8";
 in
 
 stdenv.mkDerivation {
-  name = "${name}";
+  name = "${pname}-${version}";
 
   src = fetchurl {
-    url = "http://www.hyperrealm.com/${name}/${name}-${version}.tar.gz";
+    url = "http://www.hyperrealm.com/${pname}/${pname}-${version}.tar.gz";
     sha256 = "19nc5vq4bnkjvhk8srqddzhcs93jyvpm9r6lzjzwc1mgf08yg0a6";
   };
 
-  meta = { 
+  hardeningDisable = [ "format" ];
+
+  meta = {
     description = "Converts English text into text that mimics a stereotyped or humorous dialect";
-    homepage = "http://http://www.hyperrealm.com/${name}";
+    homepage = "http://http://www.hyperrealm.com/${pname}";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [ ikervagyok ];
     platforms = with stdenv.lib.platforms; unix;