More homepages

svn path=/nixpkgs/branches/stdenv-updates/; revision=10432

pkgs/tools/compression/bzip2/default.nix

@@ -11,4 +11,7 @@ stdenv.mkDerivation {
 
   sharedLibrary =
     !stdenv.isDarwin && !(stdenv ? isDietLibC) && stdenv.system != "i686-cygwin";
+  meta = {
+    homepage = http://www.bzip.org;
+  };
 }

pkgs/tools/compression/zdelta/default.nix

@@ -1,10 +1,14 @@
 {stdenv, fetchurl}:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   name = "zdelta-2.1";
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://cis.poly.edu/zdelta/downloads/zdelta-2.1.tar.gz;
+    url = "${meta.homepage}/downloads/${name}.tar.gz";
     md5 = "c69583a64f42f69a39e297d0d27d77e5";
   };
+
+  meta = {
+	  homepage = http://cis.poly.edu/zdelta;
+  };
 }