compile sha1 in as well as md5. * ext/Setup: put sha1 in a comment. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e