Updates ruby 1.8.7 to the latest patch-level. WARNING: unsupported

ruby 1.8 should be phased out as it contains security issues and is
unsupported by the ruby core team. This is the last update available but it
doesn't fix all CVEs.

pkgs/development/interpreters/ruby/ruby-18.nix

@@ -17,8 +17,8 @@ stdenv.mkDerivation rec {
   name = "ruby-${version}";
   
   src = fetchurl {
-    url = "http://cache.ruby-lang.org/pub/ruby/1.8/${name}.tar.gz";
-    sha256 = "0g2dsn8lmiqwqsp13ryzi97qxr7742v5l7v506x6wq9aiwpk42p6";
+    url = "http://cache.ruby-lang.org/pub/ruby/1.8/${name}.tar.bz2";
+    sha256 = "b4e34703137f7bfb8761c4ea474f7438d6ccf440b3d35f39cc5e4d4e239c07e3";
   };
 
   # Have `configure' avoid `/usr/bin/nroff' in non-chroot builds.
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   passthru = rec {
     majorVersion = "1.8";
     minorVersion = "7";
-    patchLevel = "371";
+    patchLevel = "374";
     libPath = "lib/ruby/${majorVersion}";
     gemPath = "lib/ruby/gems/${majorVersion}";
   };